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Finding the Fourth Proportional to 59,749.70, 82,480.11 and 42,533.18

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Solution

The fourth proportional to 59,749.70, 82,480.11 and 42,533.18 is: 58,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,749.70 : 82,480.11 = 42,533.18 : x
  2. Step 2: Convert to fraction form
    59,749.70/82,480.11 = 42,533.18/x
  3. Step 3: Cross multiply
    59,749.70x = 82,480.11 × 42,533.18
  4. Step 4: Simplify right side
    59,749.70x = 3,508,141,365.05
  5. Step 5: Solve for x
    x = 3,508,141,365.05/59,749.70
  6. Step 6: Final answer
    x = 58,713.96

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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.