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Finding the Fourth Proportional to 38,897.64, 53,666.28 and 22,987.44

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Solution

The fourth proportional to 38,897.64, 53,666.28 and 22,987.44 is: 31,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,897.64 : 53,666.28 = 22,987.44 : x
  2. Step 2: Convert to fraction form
    38,897.64/53,666.28 = 22,987.44/x
  3. Step 3: Cross multiply
    38,897.64x = 53,666.28 × 22,987.44
  4. Step 4: Simplify right side
    38,897.64x = 1,233,650,391.52
  5. Step 5: Solve for x
    x = 1,233,650,391.52/38,897.64
  6. Step 6: Final answer
    x = 31,715.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.