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Finding the Fourth Proportional to 4,726, 7,097.10 and 4,479.76

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Solution

The fourth proportional to 4,726, 7,097.10 and 4,479.76 is: 6,727.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726 : 7,097.10 = 4,479.76 : x
  2. Step 2: Convert to fraction form
    4,726/7,097.10 = 4,479.76/x
  3. Step 3: Cross multiply
    4,726x = 7,097.10 × 4,479.76
  4. Step 4: Simplify right side
    4,726x = 31,793,304.70
  5. Step 5: Solve for x
    x = 31,793,304.70/4,726
  6. Step 6: Final answer
    x = 6,727.32

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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.