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Finding the Fourth Proportional to 44,335.32, 66,488.46 and 14,745

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Solution

The fourth proportional to 44,335.32, 66,488.46 and 14,745 is: 22,112.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,335.32 : 66,488.46 = 14,745 : x
  2. Step 2: Convert to fraction form
    44,335.32/66,488.46 = 14,745/x
  3. Step 3: Cross multiply
    44,335.32x = 66,488.46 × 14,745
  4. Step 4: Simplify right side
    44,335.32x = 980,372,342.70
  5. Step 5: Solve for x
    x = 980,372,342.70/44,335.32
  6. Step 6: Final answer
    x = 22,112.67

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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.