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Finding the Fourth Proportional to 16,472.63, 22,731.33 and 9,758.88

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Solution

The fourth proportional to 16,472.63, 22,731.33 and 9,758.88 is: 13,466.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,472.63 : 22,731.33 = 9,758.88 : x
  2. Step 2: Convert to fraction form
    16,472.63/22,731.33 = 9,758.88/x
  3. Step 3: Cross multiply
    16,472.63x = 22,731.33 × 9,758.88
  4. Step 4: Simplify right side
    16,472.63x = 221,832,358.31
  5. Step 5: Solve for x
    x = 221,832,358.31/16,472.63
  6. Step 6: Final answer
    x = 13,466.72

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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.