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Finding the Fourth Proportional to 45,465.74, 62,742.74 and 25,326.48

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Solution

The fourth proportional to 45,465.74, 62,742.74 and 25,326.48 is: 34,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,465.74 : 62,742.74 = 25,326.48 : x
  2. Step 2: Convert to fraction form
    45,465.74/62,742.74 = 25,326.48/x
  3. Step 3: Cross multiply
    45,465.74x = 62,742.74 × 25,326.48
  4. Step 4: Simplify right side
    45,465.74x = 1,589,052,623.12
  5. Step 5: Solve for x
    x = 1,589,052,623.12/45,465.74
  6. Step 6: Final answer
    x = 34,950.55

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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.