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Finding the Fourth Proportional to 48,352.36, 66,687.76 and 39,954.28

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Solution

The fourth proportional to 48,352.36, 66,687.76 and 39,954.28 is: 55,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,352.36 : 66,687.76 = 39,954.28 : x
  2. Step 2: Convert to fraction form
    48,352.36/66,687.76 = 39,954.28/x
  3. Step 3: Cross multiply
    48,352.36x = 66,687.76 × 39,954.28
  4. Step 4: Simplify right side
    48,352.36x = 2,664,461,435.61
  5. Step 5: Solve for x
    x = 2,664,461,435.61/48,352.36
  6. Step 6: Final answer
    x = 55,105.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.