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Finding the Fourth Proportional to 24,898.72, 34,360.24 and 13,720.72

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Solution

The fourth proportional to 24,898.72, 34,360.24 and 13,720.72 is: 18,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,898.72 : 34,360.24 = 13,720.72 : x
  2. Step 2: Convert to fraction form
    24,898.72/34,360.24 = 13,720.72/x
  3. Step 3: Cross multiply
    24,898.72x = 34,360.24 × 13,720.72
  4. Step 4: Simplify right side
    24,898.72x = 471,447,232.17
  5. Step 5: Solve for x
    x = 471,447,232.17/24,898.72
  6. Step 6: Final answer
    x = 18,934.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.