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Finding the Fourth Proportional to 16,842.71, 25,264.06 and 5,154.41

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Solution

The fourth proportional to 16,842.71, 25,264.06 and 5,154.41 is: 7,731.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,842.71 : 25,264.06 = 5,154.41 : x
  2. Step 2: Convert to fraction form
    16,842.71/25,264.06 = 5,154.41/x
  3. Step 3: Cross multiply
    16,842.71x = 25,264.06 × 5,154.41
  4. Step 4: Simplify right side
    16,842.71x = 130,221,184.30
  5. Step 5: Solve for x
    x = 130,221,184.30/16,842.71
  6. Step 6: Final answer
    x = 7,731.61

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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.