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Finding the Fourth Proportional to 6,600.65, 9,876.36 and 6,526.83

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Solution

The fourth proportional to 6,600.65, 9,876.36 and 6,526.83 is: 9,765.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.65 : 9,876.36 = 6,526.83 : x
  2. Step 2: Convert to fraction form
    6,600.65/9,876.36 = 6,526.83/x
  3. Step 3: Cross multiply
    6,600.65x = 9,876.36 × 6,526.83
  4. Step 4: Simplify right side
    6,600.65x = 64,461,322.74
  5. Step 5: Solve for x
    x = 64,461,322.74/6,600.65
  6. Step 6: Final answer
    x = 9,765.91

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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.