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Finding the Fourth Proportional to 41,788.04, 62,702.02 and 18,411.40

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Solution

The fourth proportional to 41,788.04, 62,702.02 and 18,411.40 is: 27,625.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,788.04 : 62,702.02 = 18,411.40 : x
  2. Step 2: Convert to fraction form
    41,788.04/62,702.02 = 18,411.40/x
  3. Step 3: Cross multiply
    41,788.04x = 62,702.02 × 18,411.40
  4. Step 4: Simplify right side
    41,788.04x = 1,154,431,971.03
  5. Step 5: Solve for x
    x = 1,154,431,971.03/41,788.04
  6. Step 6: Final answer
    x = 27,625.89

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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.