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Finding the Fourth Proportional to 38,477.52, 57,726.90 and 16,279.20

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Solution

The fourth proportional to 38,477.52, 57,726.90 and 16,279.20 is: 24,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,477.52 : 57,726.90 = 16,279.20 : x
  2. Step 2: Convert to fraction form
    38,477.52/57,726.90 = 16,279.20/x
  3. Step 3: Cross multiply
    38,477.52x = 57,726.90 × 16,279.20
  4. Step 4: Simplify right side
    38,477.52x = 939,747,750.48
  5. Step 5: Solve for x
    x = 939,747,750.48/38,477.52
  6. Step 6: Final answer
    x = 24,423.29

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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.