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Finding the Fourth Proportional to 58,954.80, 88,504.29 and 38,981.55

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Solution

The fourth proportional to 58,954.80, 88,504.29 and 38,981.55 is: 58,519.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,954.80 : 88,504.29 = 38,981.55 : x
  2. Step 2: Convert to fraction form
    58,954.80/88,504.29 = 38,981.55/x
  3. Step 3: Cross multiply
    58,954.80x = 88,504.29 × 38,981.55
  4. Step 4: Simplify right side
    58,954.80x = 3,450,034,405.85
  5. Step 5: Solve for x
    x = 3,450,034,405.85/58,954.80
  6. Step 6: Final answer
    x = 58,519.99

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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.