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Finding the Fourth Proportional to 29,704.71, 40,986.12 and 17,609.01

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Solution

The fourth proportional to 29,704.71, 40,986.12 and 17,609.01 is: 24,296.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,704.71 : 40,986.12 = 17,609.01 : x
  2. Step 2: Convert to fraction form
    29,704.71/40,986.12 = 17,609.01/x
  3. Step 3: Cross multiply
    29,704.71x = 40,986.12 × 17,609.01
  4. Step 4: Simplify right side
    29,704.71x = 721,724,909.28
  5. Step 5: Solve for x
    x = 721,724,909.28/29,704.71
  6. Step 6: Final answer
    x = 24,296.65

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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.