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Finding the Fourth Proportional to 41,205.13, 61,817.03 and 14,909.87

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Solution

The fourth proportional to 41,205.13, 61,817.03 and 14,909.87 is: 22,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,205.13 : 61,817.03 = 14,909.87 : x
  2. Step 2: Convert to fraction form
    41,205.13/61,817.03 = 14,909.87/x
  3. Step 3: Cross multiply
    41,205.13x = 61,817.03 × 14,909.87
  4. Step 4: Simplify right side
    41,205.13x = 921,683,881.09
  5. Step 5: Solve for x
    x = 921,683,881.09/41,205.13
  6. Step 6: Final answer
    x = 22,368.18

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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.