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Finding the Fourth Proportional to 4,329.79, 6,494.70 and 1,251.79

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Solution

The fourth proportional to 4,329.79, 6,494.70 and 1,251.79 is: 1,877.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.79 : 6,494.70 = 1,251.79 : x
  2. Step 2: Convert to fraction form
    4,329.79/6,494.70 = 1,251.79/x
  3. Step 3: Cross multiply
    4,329.79x = 6,494.70 × 1,251.79
  4. Step 4: Simplify right side
    4,329.79x = 8,130,000.51
  5. Step 5: Solve for x
    x = 8,130,000.51/4,329.79
  6. Step 6: Final answer
    x = 1,877.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.