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Finding the Fourth Proportional to 3,649.74, 5,472.96 and 1,702.50

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Solution

The fourth proportional to 3,649.74, 5,472.96 and 1,702.50 is: 2,552.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.74 : 5,472.96 = 1,702.50 : x
  2. Step 2: Convert to fraction form
    3,649.74/5,472.96 = 1,702.50/x
  3. Step 3: Cross multiply
    3,649.74x = 5,472.96 × 1,702.50
  4. Step 4: Simplify right side
    3,649.74x = 9,317,714.40
  5. Step 5: Solve for x
    x = 9,317,714.40/3,649.74
  6. Step 6: Final answer
    x = 2,552.98

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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.