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Finding the Fourth Proportional to 8,670.86, 13,027.68 and 5,552.22

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Solution

The fourth proportional to 8,670.86, 13,027.68 and 5,552.22 is: 8,342.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.86 : 13,027.68 = 5,552.22 : x
  2. Step 2: Convert to fraction form
    8,670.86/13,027.68 = 5,552.22/x
  3. Step 3: Cross multiply
    8,670.86x = 13,027.68 × 5,552.22
  4. Step 4: Simplify right side
    8,670.86x = 72,332,545.45
  5. Step 5: Solve for x
    x = 72,332,545.45/8,670.86
  6. Step 6: Final answer
    x = 8,342.03

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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.