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Finding the Fourth Proportional to 2,894.02, 4,340.97 and 702.76

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Solution

The fourth proportional to 2,894.02, 4,340.97 and 702.76 is: 1,054.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.02 : 4,340.97 = 702.76 : x
  2. Step 2: Convert to fraction form
    2,894.02/4,340.97 = 702.76/x
  3. Step 3: Cross multiply
    2,894.02x = 4,340.97 × 702.76
  4. Step 4: Simplify right side
    2,894.02x = 3,050,660.08
  5. Step 5: Solve for x
    x = 3,050,660.08/2,894.02
  6. Step 6: Final answer
    x = 1,054.13

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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.