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Finding the Fourth Proportional to 60,574.26, 90,862.18 and 19,021.26

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Solution

The fourth proportional to 60,574.26, 90,862.18 and 19,021.26 is: 28,532.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,574.26 : 90,862.18 = 19,021.26 : x
  2. Step 2: Convert to fraction form
    60,574.26/90,862.18 = 19,021.26/x
  3. Step 3: Cross multiply
    60,574.26x = 90,862.18 × 19,021.26
  4. Step 4: Simplify right side
    60,574.26x = 1,728,313,149.95
  5. Step 5: Solve for x
    x = 1,728,313,149.95/60,574.26
  6. Step 6: Final answer
    x = 28,532.14

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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.