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Finding the Fourth Proportional to 53,541.86, 80,292.03 and 28,568.29

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Solution

The fourth proportional to 53,541.86, 80,292.03 and 28,568.29 is: 42,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,541.86 : 80,292.03 = 28,568.29 : x
  2. Step 2: Convert to fraction form
    53,541.86/80,292.03 = 28,568.29/x
  3. Step 3: Cross multiply
    53,541.86x = 80,292.03 × 28,568.29
  4. Step 4: Simplify right side
    53,541.86x = 2,293,805,680.56
  5. Step 5: Solve for x
    x = 2,293,805,680.56/53,541.86
  6. Step 6: Final answer
    x = 42,841.35

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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.