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Finding the Fourth Proportional to 21,633, 32,434.92 and 17,404.80

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Solution

The fourth proportional to 21,633, 32,434.92 and 17,404.80 is: 26,095.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,633 : 32,434.92 = 17,404.80 : x
  2. Step 2: Convert to fraction form
    21,633/32,434.92 = 17,404.80/x
  3. Step 3: Cross multiply
    21,633x = 32,434.92 × 17,404.80
  4. Step 4: Simplify right side
    21,633x = 564,523,295.62
  5. Step 5: Solve for x
    x = 564,523,295.62/21,633
  6. Step 6: Final answer
    x = 26,095.47

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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.