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Finding the Fourth Proportional to 31,572.99, 47,425.05 and 25,044.80

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Solution

The fourth proportional to 31,572.99, 47,425.05 and 25,044.80 is: 37,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,572.99 : 47,425.05 = 25,044.80 : x
  2. Step 2: Convert to fraction form
    31,572.99/47,425.05 = 25,044.80/x
  3. Step 3: Cross multiply
    31,572.99x = 47,425.05 × 25,044.80
  4. Step 4: Simplify right side
    31,572.99x = 1,187,750,655.11
  5. Step 5: Solve for x
    x = 1,187,750,655.11/31,572.99
  6. Step 6: Final answer
    x = 37,619.20

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1.5x scale

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.