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Finding the Fourth Proportional to 57,718.98, 79,659.05 and 35,061.66

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Solution

The fourth proportional to 57,718.98, 79,659.05 and 35,061.66 is: 48,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,718.98 : 79,659.05 = 35,061.66 : x
  2. Step 2: Convert to fraction form
    57,718.98/79,659.05 = 35,061.66/x
  3. Step 3: Cross multiply
    57,718.98x = 79,659.05 × 35,061.66
  4. Step 4: Simplify right side
    57,718.98x = 2,792,978,351.71
  5. Step 5: Solve for x
    x = 2,792,978,351.71/57,718.98
  6. Step 6: Final answer
    x = 48,389.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.