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Finding the Fourth Proportional to 8,534.93, 12,802.39 and 2,691.54

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Solution

The fourth proportional to 8,534.93, 12,802.39 and 2,691.54 is: 4,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534.93 : 12,802.39 = 2,691.54 : x
  2. Step 2: Convert to fraction form
    8,534.93/12,802.39 = 2,691.54/x
  3. Step 3: Cross multiply
    8,534.93x = 12,802.39 × 2,691.54
  4. Step 4: Simplify right side
    8,534.93x = 34,458,080.77
  5. Step 5: Solve for x
    x = 34,458,080.77/8,534.93
  6. Step 6: Final answer
    x = 4,037.30

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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.