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Finding the Fourth Proportional to 25,302.52, 37,957.02 and 9,718.12

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Solution

The fourth proportional to 25,302.52, 37,957.02 and 9,718.12 is: 14,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,302.52 : 37,957.02 = 9,718.12 : x
  2. Step 2: Convert to fraction form
    25,302.52/37,957.02 = 9,718.12/x
  3. Step 3: Cross multiply
    25,302.52x = 37,957.02 × 9,718.12
  4. Step 4: Simplify right side
    25,302.52x = 368,870,875.20
  5. Step 5: Solve for x
    x = 368,870,875.20/25,302.52
  6. Step 6: Final answer
    x = 14,578.42

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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.