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Finding the Fourth Proportional to 62,651.70, 93,981.15 and 18,285.30

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Solution

The fourth proportional to 62,651.70, 93,981.15 and 18,285.30 is: 27,429.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,651.70 : 93,981.15 = 18,285.30 : x
  2. Step 2: Convert to fraction form
    62,651.70/93,981.15 = 18,285.30/x
  3. Step 3: Cross multiply
    62,651.70x = 93,981.15 × 18,285.30
  4. Step 4: Simplify right side
    62,651.70x = 1,718,473,522.10
  5. Step 5: Solve for x
    x = 1,718,473,522.10/62,651.70
  6. Step 6: Final answer
    x = 27,429.00

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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.