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Finding the Fourth Proportional to 59,212.80, 88,808.40 and 36,986.40

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Solution

The fourth proportional to 59,212.80, 88,808.40 and 36,986.40 is: 55,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,212.80 : 88,808.40 = 36,986.40 : x
  2. Step 2: Convert to fraction form
    59,212.80/88,808.40 = 36,986.40/x
  3. Step 3: Cross multiply
    59,212.80x = 88,808.40 × 36,986.40
  4. Step 4: Simplify right side
    59,212.80x = 3,284,703,005.76
  5. Step 5: Solve for x
    x = 3,284,703,005.76/59,212.80
  6. Step 6: Final answer
    x = 55,472.85

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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.