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Finding the Fourth Proportional to 59,138.93, 81,473.10 and 41,201.48

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Solution

The fourth proportional to 59,138.93, 81,473.10 and 41,201.48 is: 56,761.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,138.93 : 81,473.10 = 41,201.48 : x
  2. Step 2: Convert to fraction form
    59,138.93/81,473.10 = 41,201.48/x
  3. Step 3: Cross multiply
    59,138.93x = 81,473.10 × 41,201.48
  4. Step 4: Simplify right side
    59,138.93x = 3,356,812,300.19
  5. Step 5: Solve for x
    x = 3,356,812,300.19/59,138.93
  6. Step 6: Final answer
    x = 56,761.46

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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.