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Finding the Fourth Proportional to 8,351.92, 12,454.18 and 8,276.93

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Solution

The fourth proportional to 8,351.92, 12,454.18 and 8,276.93 is: 12,342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.92 : 12,454.18 = 8,276.93 : x
  2. Step 2: Convert to fraction form
    8,351.92/12,454.18 = 8,276.93/x
  3. Step 3: Cross multiply
    8,351.92x = 12,454.18 × 8,276.93
  4. Step 4: Simplify right side
    8,351.92x = 103,082,339.81
  5. Step 5: Solve for x
    x = 103,082,339.81/8,351.92
  6. Step 6: Final answer
    x = 12,342.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.