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Finding the Fourth Proportional to 22,700.52, 31,327.16 and 13,274.55

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Solution

The fourth proportional to 22,700.52, 31,327.16 and 13,274.55 is: 18,319.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,700.52 : 31,327.16 = 13,274.55 : x
  2. Step 2: Convert to fraction form
    22,700.52/31,327.16 = 13,274.55/x
  3. Step 3: Cross multiply
    22,700.52x = 31,327.16 × 13,274.55
  4. Step 4: Simplify right side
    22,700.52x = 415,853,885.41
  5. Step 5: Solve for x
    x = 415,853,885.41/22,700.52
  6. Step 6: Final answer
    x = 18,319.13

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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.