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Finding the Fourth Proportional to 43,890, 60,569.72 and 24,018

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Solution

The fourth proportional to 43,890, 60,569.72 and 24,018 is: 33,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,890 : 60,569.72 = 24,018 : x
  2. Step 2: Convert to fraction form
    43,890/60,569.72 = 24,018/x
  3. Step 3: Cross multiply
    43,890x = 60,569.72 × 24,018
  4. Step 4: Simplify right side
    43,890x = 1,454,763,534.96
  5. Step 5: Solve for x
    x = 1,454,763,534.96/43,890
  6. Step 6: Final answer
    x = 33,145.67

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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.