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Finding the Fourth Proportional to 6,453.32, 9,663.18 and 3,525.62

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Solution

The fourth proportional to 6,453.32, 9,663.18 and 3,525.62 is: 5,279.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.32 : 9,663.18 = 3,525.62 : x
  2. Step 2: Convert to fraction form
    6,453.32/9,663.18 = 3,525.62/x
  3. Step 3: Cross multiply
    6,453.32x = 9,663.18 × 3,525.62
  4. Step 4: Simplify right side
    6,453.32x = 34,068,700.67
  5. Step 5: Solve for x
    x = 34,068,700.67/6,453.32
  6. Step 6: Final answer
    x = 5,279.25

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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.