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Finding the Fourth Proportional to 8,502.86, 12,752.26 and 3,572.59

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Solution

The fourth proportional to 8,502.86, 12,752.26 and 3,572.59 is: 5,358.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.86 : 12,752.26 = 3,572.59 : x
  2. Step 2: Convert to fraction form
    8,502.86/12,752.26 = 3,572.59/x
  3. Step 3: Cross multiply
    8,502.86x = 12,752.26 × 3,572.59
  4. Step 4: Simplify right side
    8,502.86x = 45,558,596.55
  5. Step 5: Solve for x
    x = 45,558,596.55/8,502.86
  6. Step 6: Final answer
    x = 5,358.03

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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.