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Finding the Fourth Proportional to 6,295.80, 9,432.90 and 4,103.40

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Solution

The fourth proportional to 6,295.80, 9,432.90 and 4,103.40 is: 6,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,295.80 : 9,432.90 = 4,103.40 : x
  2. Step 2: Convert to fraction form
    6,295.80/9,432.90 = 4,103.40/x
  3. Step 3: Cross multiply
    6,295.80x = 9,432.90 × 4,103.40
  4. Step 4: Simplify right side
    6,295.80x = 38,706,961.86
  5. Step 5: Solve for x
    x = 38,706,961.86/6,295.80
  6. Step 6: Final answer
    x = 6,148.06

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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.