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Finding the Fourth Proportional to 6,265.15, 8,645.90 and 3,432.70

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Solution

The fourth proportional to 6,265.15, 8,645.90 and 3,432.70 is: 4,737.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,265.15 : 8,645.90 = 3,432.70 : x
  2. Step 2: Convert to fraction form
    6,265.15/8,645.90 = 3,432.70/x
  3. Step 3: Cross multiply
    6,265.15x = 8,645.90 × 3,432.70
  4. Step 4: Simplify right side
    6,265.15x = 29,678,760.43
  5. Step 5: Solve for x
    x = 29,678,760.43/6,265.15
  6. Step 6: Final answer
    x = 4,737.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.