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Finding the Fourth Proportional to 8,827.88, 12,183.55 and 5,101.88

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Solution

The fourth proportional to 8,827.88, 12,183.55 and 5,101.88 is: 7,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827.88 : 12,183.55 = 5,101.88 : x
  2. Step 2: Convert to fraction form
    8,827.88/12,183.55 = 5,101.88/x
  3. Step 3: Cross multiply
    8,827.88x = 12,183.55 × 5,101.88
  4. Step 4: Simplify right side
    8,827.88x = 62,158,949.16
  5. Step 5: Solve for x
    x = 62,158,949.16/8,827.88
  6. Step 6: Final answer
    x = 7,041.21

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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.