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Finding the Fourth Proportional to 6,341.70, 9,512.55 and 6,255.30

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Solution

The fourth proportional to 6,341.70, 9,512.55 and 6,255.30 is: 9,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,341.70 : 9,512.55 = 6,255.30 : x
  2. Step 2: Convert to fraction form
    6,341.70/9,512.55 = 6,255.30/x
  3. Step 3: Cross multiply
    6,341.70x = 9,512.55 × 6,255.30
  4. Step 4: Simplify right side
    6,341.70x = 59,503,854.02
  5. Step 5: Solve for x
    x = 59,503,854.02/6,341.70
  6. Step 6: Final answer
    x = 9,382.95

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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.