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Finding the Fourth Proportional to 54,344.48, 74,994.48 and 31,696.64

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Solution

The fourth proportional to 54,344.48, 74,994.48 and 31,696.64 is: 43,740.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,344.48 : 74,994.48 = 31,696.64 : x
  2. Step 2: Convert to fraction form
    54,344.48/74,994.48 = 31,696.64/x
  3. Step 3: Cross multiply
    54,344.48x = 74,994.48 × 31,696.64
  4. Step 4: Simplify right side
    54,344.48x = 2,377,073,034.55
  5. Step 5: Solve for x
    x = 2,377,073,034.55/54,344.48
  6. Step 6: Final answer
    x = 43,740.84

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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.