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Finding the Fourth Proportional to 8,841.65, 12,201.86 and 4,862.90

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Solution

The fourth proportional to 8,841.65, 12,201.86 and 4,862.90 is: 6,711.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.65 : 12,201.86 = 4,862.90 : x
  2. Step 2: Convert to fraction form
    8,841.65/12,201.86 = 4,862.90/x
  3. Step 3: Cross multiply
    8,841.65x = 12,201.86 × 4,862.90
  4. Step 4: Simplify right side
    8,841.65x = 59,336,431.18
  5. Step 5: Solve for x
    x = 59,336,431.18/8,841.65
  6. Step 6: Final answer
    x = 6,711.02

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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.