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Finding the Fourth Proportional to 8,761.64, 12,092.49 and 5,226.93

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Solution

The fourth proportional to 8,761.64, 12,092.49 and 5,226.93 is: 7,214.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.64 : 12,092.49 = 5,226.93 : x
  2. Step 2: Convert to fraction form
    8,761.64/12,092.49 = 5,226.93/x
  3. Step 3: Cross multiply
    8,761.64x = 12,092.49 × 5,226.93
  4. Step 4: Simplify right side
    8,761.64x = 63,206,598.76
  5. Step 5: Solve for x
    x = 63,206,598.76/8,761.64
  6. Step 6: Final answer
    x = 7,214.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.