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Finding the Fourth Proportional to 16,977.71, 25,470.98 and 6,447.92

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Solution

The fourth proportional to 16,977.71, 25,470.98 and 6,447.92 is: 9,673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.71 : 25,470.98 = 6,447.92 : x
  2. Step 2: Convert to fraction form
    16,977.71/25,470.98 = 6,447.92/x
  3. Step 3: Cross multiply
    16,977.71x = 25,470.98 × 6,447.92
  4. Step 4: Simplify right side
    16,977.71x = 164,234,681.77
  5. Step 5: Solve for x
    x = 164,234,681.77/16,977.71
  6. Step 6: Final answer
    x = 9,673.55

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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.