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Finding the Fourth Proportional to 29,683.42, 40,966.20 and 17,591.12

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Solution

The fourth proportional to 29,683.42, 40,966.20 and 17,591.12 is: 24,277.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,683.42 : 40,966.20 = 17,591.12 : x
  2. Step 2: Convert to fraction form
    29,683.42/40,966.20 = 17,591.12/x
  3. Step 3: Cross multiply
    29,683.42x = 40,966.20 × 17,591.12
  4. Step 4: Simplify right side
    29,683.42x = 720,641,340.14
  5. Step 5: Solve for x
    x = 720,641,340.14/29,683.42
  6. Step 6: Final answer
    x = 24,277.57

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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.