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Finding the Fourth Proportional to 60,274.56, 90,417.92 and 15,904.38

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Solution

The fourth proportional to 60,274.56, 90,417.92 and 15,904.38 is: 23,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,274.56 : 90,417.92 = 15,904.38 : x
  2. Step 2: Convert to fraction form
    60,274.56/90,417.92 = 15,904.38/x
  3. Step 3: Cross multiply
    60,274.56x = 90,417.92 × 15,904.38
  4. Step 4: Simplify right side
    60,274.56x = 1,438,040,878.97
  5. Step 5: Solve for x
    x = 1,438,040,878.97/60,274.56
  6. Step 6: Final answer
    x = 23,858.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.