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Finding the Fourth Proportional to 59,638, 89,460.02 and 15,265.12

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Solution

The fourth proportional to 59,638, 89,460.02 and 15,265.12 is: 22,898.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,638 : 89,460.02 = 15,265.12 : x
  2. Step 2: Convert to fraction form
    59,638/89,460.02 = 15,265.12/x
  3. Step 3: Cross multiply
    59,638x = 89,460.02 × 15,265.12
  4. Step 4: Simplify right side
    59,638x = 1,365,617,940.50
  5. Step 5: Solve for x
    x = 1,365,617,940.50/59,638
  6. Step 6: Final answer
    x = 22,898.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.