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Finding the Fourth Proportional to 44,518.02, 66,776.49 and 13,353

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Solution

The fourth proportional to 44,518.02, 66,776.49 and 13,353 is: 20,029.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,518.02 : 66,776.49 = 13,353 : x
  2. Step 2: Convert to fraction form
    44,518.02/66,776.49 = 13,353/x
  3. Step 3: Cross multiply
    44,518.02x = 66,776.49 × 13,353
  4. Step 4: Simplify right side
    44,518.02x = 891,666,470.97
  5. Step 5: Solve for x
    x = 891,666,470.97/44,518.02
  6. Step 6: Final answer
    x = 20,029.34

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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.