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Finding the Fourth Proportional to 40,575.40, 60,920.70 and 25,023.40

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Solution

The fourth proportional to 40,575.40, 60,920.70 and 25,023.40 is: 37,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,575.40 : 60,920.70 = 25,023.40 : x
  2. Step 2: Convert to fraction form
    40,575.40/60,920.70 = 25,023.40/x
  3. Step 3: Cross multiply
    40,575.40x = 60,920.70 × 25,023.40
  4. Step 4: Simplify right side
    40,575.40x = 1,524,443,044.38
  5. Step 5: Solve for x
    x = 1,524,443,044.38/40,575.40
  6. Step 6: Final answer
    x = 37,570.62

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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.