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Finding the Fourth Proportional to 3,472.50, 5,207.82 and 1,006.74

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Solution

The fourth proportional to 3,472.50, 5,207.82 and 1,006.74 is: 1,509.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.50 : 5,207.82 = 1,006.74 : x
  2. Step 2: Convert to fraction form
    3,472.50/5,207.82 = 1,006.74/x
  3. Step 3: Cross multiply
    3,472.50x = 5,207.82 × 1,006.74
  4. Step 4: Simplify right side
    3,472.50x = 5,242,920.71
  5. Step 5: Solve for x
    x = 5,242,920.71/3,472.50
  6. Step 6: Final answer
    x = 1,509.84

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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.