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Finding the Fourth Proportional to 23,687.84, 32,685.62 and 15,741.74

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Solution

The fourth proportional to 23,687.84, 32,685.62 and 15,741.74 is: 21,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,687.84 : 32,685.62 = 15,741.74 : x
  2. Step 2: Convert to fraction form
    23,687.84/32,685.62 = 15,741.74/x
  3. Step 3: Cross multiply
    23,687.84x = 32,685.62 × 15,741.74
  4. Step 4: Simplify right side
    23,687.84x = 514,528,531.78
  5. Step 5: Solve for x
    x = 514,528,531.78/23,687.84
  6. Step 6: Final answer
    x = 21,721.21

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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.