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Finding the Fourth Proportional to 6,600.77, 9,876.55 and 6,526.96

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Solution

The fourth proportional to 6,600.77, 9,876.55 and 6,526.96 is: 9,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.77 : 9,876.55 = 6,526.96 : x
  2. Step 2: Convert to fraction form
    6,600.77/9,876.55 = 6,526.96/x
  3. Step 3: Cross multiply
    6,600.77x = 9,876.55 × 6,526.96
  4. Step 4: Simplify right side
    6,600.77x = 64,463,781.09
  5. Step 5: Solve for x
    x = 64,463,781.09/6,600.77
  6. Step 6: Final answer
    x = 9,766.10

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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.