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Finding the Fourth Proportional to 3,378.88, 4,663.16 and 2,052.92

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Solution

The fourth proportional to 3,378.88, 4,663.16 and 2,052.92 is: 2,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.88 : 4,663.16 = 2,052.92 : x
  2. Step 2: Convert to fraction form
    3,378.88/4,663.16 = 2,052.92/x
  3. Step 3: Cross multiply
    3,378.88x = 4,663.16 × 2,052.92
  4. Step 4: Simplify right side
    3,378.88x = 9,573,094.43
  5. Step 5: Solve for x
    x = 9,573,094.43/3,378.88
  6. Step 6: Final answer
    x = 2,833.22

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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.