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Finding the Fourth Proportional to 25,810.20, 38,715.30 and 24,279.30

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Solution

The fourth proportional to 25,810.20, 38,715.30 and 24,279.30 is: 36,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,810.20 : 38,715.30 = 24,279.30 : x
  2. Step 2: Convert to fraction form
    25,810.20/38,715.30 = 24,279.30/x
  3. Step 3: Cross multiply
    25,810.20x = 38,715.30 × 24,279.30
  4. Step 4: Simplify right side
    25,810.20x = 939,980,383.29
  5. Step 5: Solve for x
    x = 939,980,383.29/25,810.20
  6. Step 6: Final answer
    x = 36,418.95

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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.