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Finding the Fourth Proportional to 44,645.72, 66,966.72 and 18,349.76

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Solution

The fourth proportional to 44,645.72, 66,966.72 and 18,349.76 is: 27,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,645.72 : 66,966.72 = 18,349.76 : x
  2. Step 2: Convert to fraction form
    44,645.72/66,966.72 = 18,349.76/x
  3. Step 3: Cross multiply
    44,645.72x = 66,966.72 × 18,349.76
  4. Step 4: Simplify right side
    44,645.72x = 1,228,823,239.99
  5. Step 5: Solve for x
    x = 1,228,823,239.99/44,645.72
  6. Step 6: Final answer
    x = 27,523.88

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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.