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Finding the Fourth Proportional to 58,841.70, 81,202.03 and 31,984.20

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Solution

The fourth proportional to 58,841.70, 81,202.03 and 31,984.20 is: 44,138.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,841.70 : 81,202.03 = 31,984.20 : x
  2. Step 2: Convert to fraction form
    58,841.70/81,202.03 = 31,984.20/x
  3. Step 3: Cross multiply
    58,841.70x = 81,202.03 × 31,984.20
  4. Step 4: Simplify right side
    58,841.70x = 2,597,181,967.93
  5. Step 5: Solve for x
    x = 2,597,181,967.93/58,841.70
  6. Step 6: Final answer
    x = 44,138.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.