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Finding the Fourth Proportional to 22,004.62, 30,365.85 and 12,572.58

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Solution

The fourth proportional to 22,004.62, 30,365.85 and 12,572.58 is: 17,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,004.62 : 30,365.85 = 12,572.58 : x
  2. Step 2: Convert to fraction form
    22,004.62/30,365.85 = 12,572.58/x
  3. Step 3: Cross multiply
    22,004.62x = 30,365.85 × 12,572.58
  4. Step 4: Simplify right side
    22,004.62x = 381,776,962.52
  5. Step 5: Solve for x
    x = 381,776,962.52/22,004.62
  6. Step 6: Final answer
    x = 17,349.85

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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.