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Finding the Fourth Proportional to 67,424.67, 101,157.05 and 29,979.59

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Solution

The fourth proportional to 67,424.67, 101,157.05 and 29,979.59 is: 44,978.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,424.67 : 101,157.05 = 29,979.59 : x
  2. Step 2: Convert to fraction form
    67,424.67/101,157.05 = 29,979.59/x
  3. Step 3: Cross multiply
    67,424.67x = 101,157.05 × 29,979.59
  4. Step 4: Simplify right side
    67,424.67x = 3,032,646,453.77
  5. Step 5: Solve for x
    x = 3,032,646,453.77/67,424.67
  6. Step 6: Final answer
    x = 44,978.29

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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.