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Finding the Fourth Proportional to 41,740.80, 62,624.16 and 13,661.01

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Solution

The fourth proportional to 41,740.80, 62,624.16 and 13,661.01 is: 20,495.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,740.80 : 62,624.16 = 13,661.01 : x
  2. Step 2: Convert to fraction form
    41,740.80/62,624.16 = 13,661.01/x
  3. Step 3: Cross multiply
    41,740.80x = 62,624.16 × 13,661.01
  4. Step 4: Simplify right side
    41,740.80x = 855,509,276.00
  5. Step 5: Solve for x
    x = 855,509,276.00/41,740.80
  6. Step 6: Final answer
    x = 20,495.76

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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.