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Finding the Fourth Proportional to 16,751.52, 25,127.28 and 4,439.52

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Solution

The fourth proportional to 16,751.52, 25,127.28 and 4,439.52 is: 6,659.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,751.52 : 25,127.28 = 4,439.52 : x
  2. Step 2: Convert to fraction form
    16,751.52/25,127.28 = 4,439.52/x
  3. Step 3: Cross multiply
    16,751.52x = 25,127.28 × 4,439.52
  4. Step 4: Simplify right side
    16,751.52x = 111,553,062.11
  5. Step 5: Solve for x
    x = 111,553,062.11/16,751.52
  6. Step 6: Final answer
    x = 6,659.28

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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.