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Finding the Fourth Proportional to 8,299.68, 12,449.60 and 4,834.72

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Solution

The fourth proportional to 8,299.68, 12,449.60 and 4,834.72 is: 7,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.68 : 12,449.60 = 4,834.72 : x
  2. Step 2: Convert to fraction form
    8,299.68/12,449.60 = 4,834.72/x
  3. Step 3: Cross multiply
    8,299.68x = 12,449.60 × 4,834.72
  4. Step 4: Simplify right side
    8,299.68x = 60,190,330.11
  5. Step 5: Solve for x
    x = 60,190,330.11/8,299.68
  6. Step 6: Final answer
    x = 7,252.13

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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.