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Finding the Fourth Proportional to 23,642.92, 32,628.90 and 13,573

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Solution

The fourth proportional to 23,642.92, 32,628.90 and 13,573 is: 18,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,642.92 : 32,628.90 = 13,573 : x
  2. Step 2: Convert to fraction form
    23,642.92/32,628.90 = 13,573/x
  3. Step 3: Cross multiply
    23,642.92x = 32,628.90 × 13,573
  4. Step 4: Simplify right side
    23,642.92x = 442,872,059.70
  5. Step 5: Solve for x
    x = 442,872,059.70/23,642.92
  6. Step 6: Final answer
    x = 18,731.70

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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.