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Finding the Fourth Proportional to 40,751.68, 61,107.36 and 14,452.48

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Solution

The fourth proportional to 40,751.68, 61,107.36 and 14,452.48 is: 21,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,751.68 : 61,107.36 = 14,452.48 : x
  2. Step 2: Convert to fraction form
    40,751.68/61,107.36 = 14,452.48/x
  3. Step 3: Cross multiply
    40,751.68x = 61,107.36 × 14,452.48
  4. Step 4: Simplify right side
    40,751.68x = 883,152,898.25
  5. Step 5: Solve for x
    x = 883,152,898.25/40,751.68
  6. Step 6: Final answer
    x = 21,671.57

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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.