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Finding the Fourth Proportional to 60,578, 90,867.82 and 19,025

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Solution

The fourth proportional to 60,578, 90,867.82 and 19,025 is: 28,537.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,578 : 90,867.82 = 19,025 : x
  2. Step 2: Convert to fraction form
    60,578/90,867.82 = 19,025/x
  3. Step 3: Cross multiply
    60,578x = 90,867.82 × 19,025
  4. Step 4: Simplify right side
    60,578x = 1,728,760,275.50
  5. Step 5: Solve for x
    x = 1,728,760,275.50/60,578
  6. Step 6: Final answer
    x = 28,537.76

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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.