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Finding the Fourth Proportional to 44,709.50, 66,962.18 and 21,352.34

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Solution

The fourth proportional to 44,709.50, 66,962.18 and 21,352.34 is: 31,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,709.50 : 66,962.18 = 21,352.34 : x
  2. Step 2: Convert to fraction form
    44,709.50/66,962.18 = 21,352.34/x
  3. Step 3: Cross multiply
    44,709.50x = 66,962.18 × 21,352.34
  4. Step 4: Simplify right side
    44,709.50x = 1,429,799,234.50
  5. Step 5: Solve for x
    x = 1,429,799,234.50/44,709.50
  6. Step 6: Final answer
    x = 31,979.76

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1.5x scale

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.