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Finding the Fourth Proportional to 6,605.76, 9,861.48 and 6,375.06

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Solution

The fourth proportional to 6,605.76, 9,861.48 and 6,375.06 is: 9,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.76 : 9,861.48 = 6,375.06 : x
  2. Step 2: Convert to fraction form
    6,605.76/9,861.48 = 6,375.06/x
  3. Step 3: Cross multiply
    6,605.76x = 9,861.48 × 6,375.06
  4. Step 4: Simplify right side
    6,605.76x = 62,867,526.69
  5. Step 5: Solve for x
    x = 62,867,526.69/6,605.76
  6. Step 6: Final answer
    x = 9,517.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.