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Finding the Fourth Proportional to 60,429.78, 90,624.24 and 22,980.96

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Solution

The fourth proportional to 60,429.78, 90,624.24 and 22,980.96 is: 34,463.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,429.78 : 90,624.24 = 22,980.96 : x
  2. Step 2: Convert to fraction form
    60,429.78/90,624.24 = 22,980.96/x
  3. Step 3: Cross multiply
    60,429.78x = 90,624.24 × 22,980.96
  4. Step 4: Simplify right side
    60,429.78x = 2,082,632,034.47
  5. Step 5: Solve for x
    x = 2,082,632,034.47/60,429.78
  6. Step 6: Final answer
    x = 34,463.67

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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.