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Finding the Fourth Proportional to 3,253.69, 4,489.86 and 1,927.05

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Solution

The fourth proportional to 3,253.69, 4,489.86 and 1,927.05 is: 2,659.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.69 : 4,489.86 = 1,927.05 : x
  2. Step 2: Convert to fraction form
    3,253.69/4,489.86 = 1,927.05/x
  3. Step 3: Cross multiply
    3,253.69x = 4,489.86 × 1,927.05
  4. Step 4: Simplify right side
    3,253.69x = 8,652,184.71
  5. Step 5: Solve for x
    x = 8,652,184.71/3,253.69
  6. Step 6: Final answer
    x = 2,659.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.