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Finding the Fourth Proportional to 16,752.56, 25,128.84 and 5,659.28

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Solution

The fourth proportional to 16,752.56, 25,128.84 and 5,659.28 is: 8,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,752.56 : 25,128.84 = 5,659.28 : x
  2. Step 2: Convert to fraction form
    16,752.56/25,128.84 = 5,659.28/x
  3. Step 3: Cross multiply
    16,752.56x = 25,128.84 × 5,659.28
  4. Step 4: Simplify right side
    16,752.56x = 142,211,141.64
  5. Step 5: Solve for x
    x = 142,211,141.64/16,752.56
  6. Step 6: Final answer
    x = 8,488.92

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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.