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Finding the Fourth Proportional to 25,397.63, 38,098.94 and 8,755.47

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Solution

The fourth proportional to 25,397.63, 38,098.94 and 8,755.47 is: 13,134.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,397.63 : 38,098.94 = 8,755.47 : x
  2. Step 2: Convert to fraction form
    25,397.63/38,098.94 = 8,755.47/x
  3. Step 3: Cross multiply
    25,397.63x = 38,098.94 × 8,755.47
  4. Step 4: Simplify right side
    25,397.63x = 333,574,126.20
  5. Step 5: Solve for x
    x = 333,574,126.20/25,397.63
  6. Step 6: Final answer
    x = 13,134.07

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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.