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Finding the Fourth Proportional to 4,702.97, 7,049.10 and 1,926.08

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Solution

The fourth proportional to 4,702.97, 7,049.10 and 1,926.08 is: 2,886.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.97 : 7,049.10 = 1,926.08 : x
  2. Step 2: Convert to fraction form
    4,702.97/7,049.10 = 1,926.08/x
  3. Step 3: Cross multiply
    4,702.97x = 7,049.10 × 1,926.08
  4. Step 4: Simplify right side
    4,702.97x = 13,577,095.28
  5. Step 5: Solve for x
    x = 13,577,095.28/4,702.97
  6. Step 6: Final answer
    x = 2,886.92

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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.