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Finding the Fourth Proportional to 16,454.52, 22,707.02 and 9,381.08

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Solution

The fourth proportional to 16,454.52, 22,707.02 and 9,381.08 is: 12,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,454.52 : 22,707.02 = 9,381.08 : x
  2. Step 2: Convert to fraction form
    16,454.52/22,707.02 = 9,381.08/x
  3. Step 3: Cross multiply
    16,454.52x = 22,707.02 × 9,381.08
  4. Step 4: Simplify right side
    16,454.52x = 213,016,371.18
  5. Step 5: Solve for x
    x = 213,016,371.18/16,454.52
  6. Step 6: Final answer
    x = 12,945.77

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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.