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Finding the Fourth Proportional to 44,643.05, 66,964.57 and 18,001.14

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Solution

The fourth proportional to 44,643.05, 66,964.57 and 18,001.14 is: 27,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,643.05 : 66,964.57 = 18,001.14 : x
  2. Step 2: Convert to fraction form
    44,643.05/66,964.57 = 18,001.14/x
  3. Step 3: Cross multiply
    44,643.05x = 66,964.57 × 18,001.14
  4. Step 4: Simplify right side
    44,643.05x = 1,205,438,404.75
  5. Step 5: Solve for x
    x = 1,205,438,404.75/44,643.05
  6. Step 6: Final answer
    x = 27,001.70

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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.