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Finding the Fourth Proportional to 2,708.32, 4,062.94 and 1,064.88

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Solution

The fourth proportional to 2,708.32, 4,062.94 and 1,064.88 is: 1,597.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.32 : 4,062.94 = 1,064.88 : x
  2. Step 2: Convert to fraction form
    2,708.32/4,062.94 = 1,064.88/x
  3. Step 3: Cross multiply
    2,708.32x = 4,062.94 × 1,064.88
  4. Step 4: Simplify right side
    2,708.32x = 4,326,543.55
  5. Step 5: Solve for x
    x = 4,326,543.55/2,708.32
  6. Step 6: Final answer
    x = 1,597.50

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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.