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Finding the Fourth Proportional to 6,605.80, 9,100.68 and 4,613.20

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Solution

The fourth proportional to 6,605.80, 9,100.68 and 4,613.20 is: 6,355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.80 : 9,100.68 = 4,613.20 : x
  2. Step 2: Convert to fraction form
    6,605.80/9,100.68 = 4,613.20/x
  3. Step 3: Cross multiply
    6,605.80x = 9,100.68 × 4,613.20
  4. Step 4: Simplify right side
    6,605.80x = 41,983,256.98
  5. Step 5: Solve for x
    x = 41,983,256.98/6,605.80
  6. Step 6: Final answer
    x = 6,355.51

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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.