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Finding the Fourth Proportional to 59,138.70, 88,722.24 and 19,696.17

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Solution

The fourth proportional to 59,138.70, 88,722.24 and 19,696.17 is: 29,548.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,138.70 : 88,722.24 = 19,696.17 : x
  2. Step 2: Convert to fraction form
    59,138.70/88,722.24 = 19,696.17/x
  3. Step 3: Cross multiply
    59,138.70x = 88,722.24 × 19,696.17
  4. Step 4: Simplify right side
    59,138.70x = 1,747,488,321.82
  5. Step 5: Solve for x
    x = 1,747,488,321.82/59,138.70
  6. Step 6: Final answer
    x = 29,548.98

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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.