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Finding the Fourth Proportional to 8,332.72, 12,499.08 and 5,752.06

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Solution

The fourth proportional to 8,332.72, 12,499.08 and 5,752.06 is: 8,628.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.72 : 12,499.08 = 5,752.06 : x
  2. Step 2: Convert to fraction form
    8,332.72/12,499.08 = 5,752.06/x
  3. Step 3: Cross multiply
    8,332.72x = 12,499.08 × 5,752.06
  4. Step 4: Simplify right side
    8,332.72x = 71,895,458.10
  5. Step 5: Solve for x
    x = 71,895,458.10/8,332.72
  6. Step 6: Final answer
    x = 8,628.09

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Similar ratio
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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.