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Finding the Fourth Proportional to 6,624.64, 9,938.18 and 2,726.92

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Solution

The fourth proportional to 6,624.64, 9,938.18 and 2,726.92 is: 4,090.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.64 : 9,938.18 = 2,726.92 : x
  2. Step 2: Convert to fraction form
    6,624.64/9,938.18 = 2,726.92/x
  3. Step 3: Cross multiply
    6,624.64x = 9,938.18 × 2,726.92
  4. Step 4: Simplify right side
    6,624.64x = 27,100,621.81
  5. Step 5: Solve for x
    x = 27,100,621.81/6,624.64
  6. Step 6: Final answer
    x = 4,090.88

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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.