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Finding the Fourth Proportional to 8,333.68, 12,506.66 and 3,951.12

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Solution

The fourth proportional to 8,333.68, 12,506.66 and 3,951.12 is: 5,929.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.68 : 12,506.66 = 3,951.12 : x
  2. Step 2: Convert to fraction form
    8,333.68/12,506.66 = 3,951.12/x
  3. Step 3: Cross multiply
    8,333.68x = 12,506.66 × 3,951.12
  4. Step 4: Simplify right side
    8,333.68x = 49,415,314.46
  5. Step 5: Solve for x
    x = 49,415,314.46/8,333.68
  6. Step 6: Final answer
    x = 5,929.59

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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.