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Finding the Fourth Proportional to 40,605.04, 60,884.52 and 29,638

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Solution

The fourth proportional to 40,605.04, 60,884.52 and 29,638 is: 44,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,605.04 : 60,884.52 = 29,638 : x
  2. Step 2: Convert to fraction form
    40,605.04/60,884.52 = 29,638/x
  3. Step 3: Cross multiply
    40,605.04x = 60,884.52 × 29,638
  4. Step 4: Simplify right side
    40,605.04x = 1,804,495,403.76
  5. Step 5: Solve for x
    x = 1,804,495,403.76/40,605.04
  6. Step 6: Final answer
    x = 44,440.18

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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.