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Finding the Fourth Proportional to 59,561.79, 89,263.09 and 31,475.17

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Solution

The fourth proportional to 59,561.79, 89,263.09 and 31,475.17 is: 47,170.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,561.79 : 89,263.09 = 31,475.17 : x
  2. Step 2: Convert to fraction form
    59,561.79/89,263.09 = 31,475.17/x
  3. Step 3: Cross multiply
    59,561.79x = 89,263.09 × 31,475.17
  4. Step 4: Simplify right side
    59,561.79x = 2,809,570,932.48
  5. Step 5: Solve for x
    x = 2,809,570,932.48/59,561.79
  6. Step 6: Final answer
    x = 47,170.69

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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.