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Finding the Fourth Proportional to 59,531.74, 82,157.50 and 39,353.64

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Solution

The fourth proportional to 59,531.74, 82,157.50 and 39,353.64 is: 54,310.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,531.74 : 82,157.50 = 39,353.64 : x
  2. Step 2: Convert to fraction form
    59,531.74/82,157.50 = 39,353.64/x
  3. Step 3: Cross multiply
    59,531.74x = 82,157.50 × 39,353.64
  4. Step 4: Simplify right side
    59,531.74x = 3,233,196,678.30
  5. Step 5: Solve for x
    x = 3,233,196,678.30/59,531.74
  6. Step 6: Final answer
    x = 54,310.47

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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.