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Finding the Fourth Proportional to 23,649.71, 32,638.92 and 17,670.99

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Solution

The fourth proportional to 23,649.71, 32,638.92 and 17,670.99 is: 24,387.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,649.71 : 32,638.92 = 17,670.99 : x
  2. Step 2: Convert to fraction form
    23,649.71/32,638.92 = 17,670.99/x
  3. Step 3: Cross multiply
    23,649.71x = 32,638.92 × 17,670.99
  4. Step 4: Simplify right side
    23,649.71x = 576,762,085.06
  5. Step 5: Solve for x
    x = 576,762,085.06/23,649.71
  6. Step 6: Final answer
    x = 24,387.71

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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.