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Finding the Fourth Proportional to 44,365.70, 66,487.80 and 28,522.10

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Solution

The fourth proportional to 44,365.70, 66,487.80 and 28,522.10 is: 42,744.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,365.70 : 66,487.80 = 28,522.10 : x
  2. Step 2: Convert to fraction form
    44,365.70/66,487.80 = 28,522.10/x
  3. Step 3: Cross multiply
    44,365.70x = 66,487.80 × 28,522.10
  4. Step 4: Simplify right side
    44,365.70x = 1,896,371,680.38
  5. Step 5: Solve for x
    x = 1,896,371,680.38/44,365.70
  6. Step 6: Final answer
    x = 42,744.09

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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.