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Finding the Fourth Proportional to 48,419.64, 66,664.62 and 41,317.56

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Solution

The fourth proportional to 48,419.64, 66,664.62 and 41,317.56 is: 56,886.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,419.64 : 66,664.62 = 41,317.56 : x
  2. Step 2: Convert to fraction form
    48,419.64/66,664.62 = 41,317.56/x
  3. Step 3: Cross multiply
    48,419.64x = 66,664.62 × 41,317.56
  4. Step 4: Simplify right side
    48,419.64x = 2,754,419,436.73
  5. Step 5: Solve for x
    x = 2,754,419,436.73/48,419.64
  6. Step 6: Final answer
    x = 56,886.41

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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.