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Finding the Fourth Proportional to 8,827.55, 12,183.09 and 5,101.55

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Solution

The fourth proportional to 8,827.55, 12,183.09 and 5,101.55 is: 7,040.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827.55 : 12,183.09 = 5,101.55 : x
  2. Step 2: Convert to fraction form
    8,827.55/12,183.09 = 5,101.55/x
  3. Step 3: Cross multiply
    8,827.55x = 12,183.09 × 5,101.55
  4. Step 4: Simplify right side
    8,827.55x = 62,152,646.69
  5. Step 5: Solve for x
    x = 62,152,646.69/8,827.55
  6. Step 6: Final answer
    x = 7,040.76

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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.