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Finding the Fourth Proportional to 25,700.60, 38,561.94 and 9,072.76

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Solution

The fourth proportional to 25,700.60, 38,561.94 and 9,072.76 is: 13,613.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,700.60 : 38,561.94 = 9,072.76 : x
  2. Step 2: Convert to fraction form
    25,700.60/38,561.94 = 9,072.76/x
  3. Step 3: Cross multiply
    25,700.60x = 38,561.94 × 9,072.76
  4. Step 4: Simplify right side
    25,700.60x = 349,863,226.75
  5. Step 5: Solve for x
    x = 349,863,226.75/25,700.60
  6. Step 6: Final answer
    x = 13,613.04

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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.