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Finding the Fourth Proportional to 23,693.84, 32,693.90 and 15,747.74

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Solution

The fourth proportional to 23,693.84, 32,693.90 and 15,747.74 is: 21,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,693.84 : 32,693.90 = 15,747.74 : x
  2. Step 2: Convert to fraction form
    23,693.84/32,693.90 = 15,747.74/x
  3. Step 3: Cross multiply
    23,693.84x = 32,693.90 × 15,747.74
  4. Step 4: Simplify right side
    23,693.84x = 514,855,036.79
  5. Step 5: Solve for x
    x = 514,855,036.79/23,693.84
  6. Step 6: Final answer
    x = 21,729.49

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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.