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Finding the Fourth Proportional to 53,718.80, 80,550.35 and 28,432.01

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Solution

The fourth proportional to 53,718.80, 80,550.35 and 28,432.01 is: 42,633.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,718.80 : 80,550.35 = 28,432.01 : x
  2. Step 2: Convert to fraction form
    53,718.80/80,550.35 = 28,432.01/x
  3. Step 3: Cross multiply
    53,718.80x = 80,550.35 × 28,432.01
  4. Step 4: Simplify right side
    53,718.80x = 2,290,208,522.54
  5. Step 5: Solve for x
    x = 2,290,208,522.54/53,718.80
  6. Step 6: Final answer
    x = 42,633.28

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