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Finding the Fourth Proportional to 22,687.71, 34,038.50 and 11,602.19

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Solution

The fourth proportional to 22,687.71, 34,038.50 and 11,602.19 is: 17,406.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,687.71 : 34,038.50 = 11,602.19 : x
  2. Step 2: Convert to fraction form
    22,687.71/34,038.50 = 11,602.19/x
  3. Step 3: Cross multiply
    22,687.71x = 34,038.50 × 11,602.19
  4. Step 4: Simplify right side
    22,687.71x = 394,920,979.93
  5. Step 5: Solve for x
    x = 394,920,979.93/22,687.71
  6. Step 6: Final answer
    x = 17,406.82

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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.