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Finding the Fourth Proportional to 8,763.66, 13,146.96 and 3,498.66

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Solution

The fourth proportional to 8,763.66, 13,146.96 and 3,498.66 is: 5,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.66 : 13,146.96 = 3,498.66 : x
  2. Step 2: Convert to fraction form
    8,763.66/13,146.96 = 3,498.66/x
  3. Step 3: Cross multiply
    8,763.66x = 13,146.96 × 3,498.66
  4. Step 4: Simplify right side
    8,763.66x = 45,996,743.07
  5. Step 5: Solve for x
    x = 45,996,743.07/8,763.66
  6. Step 6: Final answer
    x = 5,248.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.