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Finding the Fourth Proportional to 74,840.72, 112,267.15 and 22,250.25

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Solution

The fourth proportional to 74,840.72, 112,267.15 and 22,250.25 is: 33,377.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,840.72 : 112,267.15 = 22,250.25 : x
  2. Step 2: Convert to fraction form
    74,840.72/112,267.15 = 22,250.25/x
  3. Step 3: Cross multiply
    74,840.72x = 112,267.15 × 22,250.25
  4. Step 4: Simplify right side
    74,840.72x = 2,497,972,098.66
  5. Step 5: Solve for x
    x = 2,497,972,098.66/74,840.72
  6. Step 6: Final answer
    x = 33,377.18

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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.