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Finding the Fourth Proportional to 44,472.60, 61,373.72 and 25,355.20

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Solution

The fourth proportional to 44,472.60, 61,373.72 and 25,355.20 is: 34,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,472.60 : 61,373.72 = 25,355.20 : x
  2. Step 2: Convert to fraction form
    44,472.60/61,373.72 = 25,355.20/x
  3. Step 3: Cross multiply
    44,472.60x = 61,373.72 × 25,355.20
  4. Step 4: Simplify right side
    44,472.60x = 1,556,142,945.34
  5. Step 5: Solve for x
    x = 1,556,142,945.34/44,472.60
  6. Step 6: Final answer
    x = 34,991.05

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Why These Related Problems?

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