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Finding the Fourth Proportional to 60,576.07, 90,878.49 and 19,023.07

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Solution

The fourth proportional to 60,576.07, 90,878.49 and 19,023.07 is: 28,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,576.07 : 90,878.49 = 19,023.07 : x
  2. Step 2: Convert to fraction form
    60,576.07/90,878.49 = 19,023.07/x
  3. Step 3: Cross multiply
    60,576.07x = 90,878.49 × 19,023.07
  4. Step 4: Simplify right side
    60,576.07x = 1,728,787,876.76
  5. Step 5: Solve for x
    x = 1,728,787,876.76/60,576.07
  6. Step 6: Final answer
    x = 28,539.12

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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.