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Finding the Fourth Proportional to 4,691.79, 7,037.78 and 2,624.99

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Solution

The fourth proportional to 4,691.79, 7,037.78 and 2,624.99 is: 3,937.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.79 : 7,037.78 = 2,624.99 : x
  2. Step 2: Convert to fraction form
    4,691.79/7,037.78 = 2,624.99/x
  3. Step 3: Cross multiply
    4,691.79x = 7,037.78 × 2,624.99
  4. Step 4: Simplify right side
    4,691.79x = 18,474,053.81
  5. Step 5: Solve for x
    x = 18,474,053.81/4,691.79
  6. Step 6: Final answer
    x = 3,937.53

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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.