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Finding the Fourth Proportional to 44,643.10, 66,965.04 and 11,363.20

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Solution

The fourth proportional to 44,643.10, 66,965.04 and 11,363.20 is: 17,044.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,643.10 : 66,965.04 = 11,363.20 : x
  2. Step 2: Convert to fraction form
    44,643.10/66,965.04 = 11,363.20/x
  3. Step 3: Cross multiply
    44,643.10x = 66,965.04 × 11,363.20
  4. Step 4: Simplify right side
    44,643.10x = 760,936,807.70
  5. Step 5: Solve for x
    x = 760,936,807.70/44,643.10
  6. Step 6: Final answer
    x = 17,044.89

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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.