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Finding the Fourth Proportional to 72,527.70, 108,743.24 and 37,001.90

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Solution

The fourth proportional to 72,527.70, 108,743.24 and 37,001.90 is: 55,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,527.70 : 108,743.24 = 37,001.90 : x
  2. Step 2: Convert to fraction form
    72,527.70/108,743.24 = 37,001.90/x
  3. Step 3: Cross multiply
    72,527.70x = 108,743.24 × 37,001.90
  4. Step 4: Simplify right side
    72,527.70x = 4,023,706,492.16
  5. Step 5: Solve for x
    x = 4,023,706,492.16/72,527.70
  6. Step 6: Final answer
    x = 55,478.20

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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.