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Finding the Fourth Proportional to 40,735.40, 60,703.04 and 39,397.54

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Solution

The fourth proportional to 40,735.40, 60,703.04 and 39,397.54 is: 58,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,735.40 : 60,703.04 = 39,397.54 : x
  2. Step 2: Convert to fraction form
    40,735.40/60,703.04 = 39,397.54/x
  3. Step 3: Cross multiply
    40,735.40x = 60,703.04 × 39,397.54
  4. Step 4: Simplify right side
    40,735.40x = 2,391,550,446.52
  5. Step 5: Solve for x
    x = 2,391,550,446.52/40,735.40
  6. Step 6: Final answer
    x = 58,709.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.