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Finding the Fourth Proportional to 67,671.20, 101,488.20 and 37,648.44

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Solution

The fourth proportional to 67,671.20, 101,488.20 and 37,648.44 is: 56,462.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,671.20 : 101,488.20 = 37,648.44 : x
  2. Step 2: Convert to fraction form
    67,671.20/101,488.20 = 37,648.44/x
  3. Step 3: Cross multiply
    67,671.20x = 101,488.20 × 37,648.44
  4. Step 4: Simplify right side
    67,671.20x = 3,820,872,408.41
  5. Step 5: Solve for x
    x = 3,820,872,408.41/67,671.20
  6. Step 6: Final answer
    x = 56,462.31

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1.5x scale

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.