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Finding the Fourth Proportional to 44,031.98, 66,019.28 and 28,993.61

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Solution

The fourth proportional to 44,031.98, 66,019.28 and 28,993.61 is: 43,471.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,031.98 : 66,019.28 = 28,993.61 : x
  2. Step 2: Convert to fraction form
    44,031.98/66,019.28 = 28,993.61/x
  3. Step 3: Cross multiply
    44,031.98x = 66,019.28 × 28,993.61
  4. Step 4: Simplify right side
    44,031.98x = 1,914,136,781.74
  5. Step 5: Solve for x
    x = 1,914,136,781.74/44,031.98
  6. Step 6: Final answer
    x = 43,471.52

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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.