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Finding the Fourth Proportional to 8,716.66, 12,032.16 and 5,363.96

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Solution

The fourth proportional to 8,716.66, 12,032.16 and 5,363.96 is: 7,404.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.66 : 12,032.16 = 5,363.96 : x
  2. Step 2: Convert to fraction form
    8,716.66/12,032.16 = 5,363.96/x
  3. Step 3: Cross multiply
    8,716.66x = 12,032.16 × 5,363.96
  4. Step 4: Simplify right side
    8,716.66x = 64,540,024.95
  5. Step 5: Solve for x
    x = 64,540,024.95/8,716.66
  6. Step 6: Final answer
    x = 7,404.22

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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.