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Finding the Fourth Proportional to 45,322.60, 62,538.24 and 25,179.16

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Solution

The fourth proportional to 45,322.60, 62,538.24 and 25,179.16 is: 34,743.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,322.60 : 62,538.24 = 25,179.16 : x
  2. Step 2: Convert to fraction form
    45,322.60/62,538.24 = 25,179.16/x
  3. Step 3: Cross multiply
    45,322.60x = 62,538.24 × 25,179.16
  4. Step 4: Simplify right side
    45,322.60x = 1,574,660,351.08
  5. Step 5: Solve for x
    x = 1,574,660,351.08/45,322.60
  6. Step 6: Final answer
    x = 34,743.38

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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.