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Finding the Fourth Proportional to 6,238.76, 8,609.06 and 4,001.32

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Solution

The fourth proportional to 6,238.76, 8,609.06 and 4,001.32 is: 5,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238.76 : 8,609.06 = 4,001.32 : x
  2. Step 2: Convert to fraction form
    6,238.76/8,609.06 = 4,001.32/x
  3. Step 3: Cross multiply
    6,238.76x = 8,609.06 × 4,001.32
  4. Step 4: Simplify right side
    6,238.76x = 34,447,603.96
  5. Step 5: Solve for x
    x = 34,447,603.96/6,238.76
  6. Step 6: Final answer
    x = 5,521.55

Related Problems

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Half scale
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Double scale
Find fourth proportional to 6,239.76, 8,610.44 and 4,002.32
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.