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Finding the Fourth Proportional to 6,602.80, 9,115.60 and 4,363.96

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Solution

The fourth proportional to 6,602.80, 9,115.60 and 4,363.96 is: 6,024.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.80 : 9,115.60 = 4,363.96 : x
  2. Step 2: Convert to fraction form
    6,602.80/9,115.60 = 4,363.96/x
  3. Step 3: Cross multiply
    6,602.80x = 9,115.60 × 4,363.96
  4. Step 4: Simplify right side
    6,602.80x = 39,780,113.78
  5. Step 5: Solve for x
    x = 39,780,113.78/6,602.80
  6. Step 6: Final answer
    x = 6,024.73

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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.