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Finding the Fourth Proportional to 39,752.75, 59,629.13 and 12,050.75

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Solution

The fourth proportional to 39,752.75, 59,629.13 and 12,050.75 is: 18,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,752.75 : 59,629.13 = 12,050.75 : x
  2. Step 2: Convert to fraction form
    39,752.75/59,629.13 = 12,050.75/x
  3. Step 3: Cross multiply
    39,752.75x = 59,629.13 × 12,050.75
  4. Step 4: Simplify right side
    39,752.75x = 718,575,738.35
  5. Step 5: Solve for x
    x = 718,575,738.35/39,752.75
  6. Step 6: Final answer
    x = 18,076.13

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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.