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Finding the Fourth Proportional to 2,893.18, 4,339.80 and 701.93

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Solution

The fourth proportional to 2,893.18, 4,339.80 and 701.93 is: 1,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.18 : 4,339.80 = 701.93 : x
  2. Step 2: Convert to fraction form
    2,893.18/4,339.80 = 701.93/x
  3. Step 3: Cross multiply
    2,893.18x = 4,339.80 × 701.93
  4. Step 4: Simplify right side
    2,893.18x = 3,046,238.53
  5. Step 5: Solve for x
    x = 3,046,238.53/2,893.18
  6. Step 6: Final answer
    x = 1,052.90

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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.