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Finding the Fourth Proportional to 52,693.40, 79,024.14 and 27,719.67

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Solution

The fourth proportional to 52,693.40, 79,024.14 and 27,719.67 is: 41,571.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,693.40 : 79,024.14 = 27,719.67 : x
  2. Step 2: Convert to fraction form
    52,693.40/79,024.14 = 27,719.67/x
  3. Step 3: Cross multiply
    52,693.40x = 79,024.14 × 27,719.67
  4. Step 4: Simplify right side
    52,693.40x = 2,190,523,082.83
  5. Step 5: Solve for x
    x = 2,190,523,082.83/52,693.40
  6. Step 6: Final answer
    x = 41,571.11

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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.