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Finding the Fourth Proportional to 8,235.16, 11,352.65 and 5,873.20

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Solution

The fourth proportional to 8,235.16, 11,352.65 and 5,873.20 is: 8,096.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.16 : 11,352.65 = 5,873.20 : x
  2. Step 2: Convert to fraction form
    8,235.16/11,352.65 = 5,873.20/x
  3. Step 3: Cross multiply
    8,235.16x = 11,352.65 × 5,873.20
  4. Step 4: Simplify right side
    8,235.16x = 66,676,326.23
  5. Step 5: Solve for x
    x = 66,676,326.23/8,235.16
  6. Step 6: Final answer
    x = 8,096.55

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Half scale
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Double scale
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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.