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Finding the Fourth Proportional to 8,000.47, 11,041.23 and 4,645.23

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Solution

The fourth proportional to 8,000.47, 11,041.23 and 4,645.23 is: 6,410.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.47 : 11,041.23 = 4,645.23 : x
  2. Step 2: Convert to fraction form
    8,000.47/11,041.23 = 4,645.23/x
  3. Step 3: Cross multiply
    8,000.47x = 11,041.23 × 4,645.23
  4. Step 4: Simplify right side
    8,000.47x = 51,289,052.83
  5. Step 5: Solve for x
    x = 51,289,052.83/8,000.47
  6. Step 6: Final answer
    x = 6,410.75

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Half scale
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Double scale
Find fourth proportional to 8,001.47, 11,042.61 and 4,646.23
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.