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Finding the Fourth Proportional to 35,930.76, 53,891.90 and 9,637.36

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Solution

The fourth proportional to 35,930.76, 53,891.90 and 9,637.36 is: 14,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,930.76 : 53,891.90 = 9,637.36 : x
  2. Step 2: Convert to fraction form
    35,930.76/53,891.90 = 9,637.36/x
  3. Step 3: Cross multiply
    35,930.76x = 53,891.90 × 9,637.36
  4. Step 4: Simplify right side
    35,930.76x = 519,375,641.38
  5. Step 5: Solve for x
    x = 519,375,641.38/35,930.76
  6. Step 6: Final answer
    x = 14,454.90

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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.