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Finding the Fourth Proportional to 8,509.68, 12,764.52 and 5,045.04

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Solution

The fourth proportional to 8,509.68, 12,764.52 and 5,045.04 is: 7,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509.68 : 12,764.52 = 5,045.04 : x
  2. Step 2: Convert to fraction form
    8,509.68/12,764.52 = 5,045.04/x
  3. Step 3: Cross multiply
    8,509.68x = 12,764.52 × 5,045.04
  4. Step 4: Simplify right side
    8,509.68x = 64,397,513.98
  5. Step 5: Solve for x
    x = 64,397,513.98/8,509.68
  6. Step 6: Final answer
    x = 7,567.56

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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.