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Finding the Fourth Proportional to 8,302.68, 12,454.14 and 2,459.46

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Solution

The fourth proportional to 8,302.68, 12,454.14 and 2,459.46 is: 3,689.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.68 : 12,454.14 = 2,459.46 : x
  2. Step 2: Convert to fraction form
    8,302.68/12,454.14 = 2,459.46/x
  3. Step 3: Cross multiply
    8,302.68x = 12,454.14 × 2,459.46
  4. Step 4: Simplify right side
    8,302.68x = 30,630,459.16
  5. Step 5: Solve for x
    x = 30,630,459.16/8,302.68
  6. Step 6: Final answer
    x = 3,689.23

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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.