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Finding the Fourth Proportional to 8,771.86, 13,117.74 and 6,552.22

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Solution

The fourth proportional to 8,771.86, 13,117.74 and 6,552.22 is: 9,798.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.86 : 13,117.74 = 6,552.22 : x
  2. Step 2: Convert to fraction form
    8,771.86/13,117.74 = 6,552.22/x
  3. Step 3: Cross multiply
    8,771.86x = 13,117.74 × 6,552.22
  4. Step 4: Simplify right side
    8,771.86x = 85,950,318.38
  5. Step 5: Solve for x
    x = 85,950,318.38/8,771.86
  6. Step 6: Final answer
    x = 9,798.41

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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.