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Finding the Fourth Proportional to 44,422.40, 66,387.88 and 39,796.88

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Solution

The fourth proportional to 44,422.40, 66,387.88 and 39,796.88 is: 59,475.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,422.40 : 66,387.88 = 39,796.88 : x
  2. Step 2: Convert to fraction form
    44,422.40/66,387.88 = 39,796.88/x
  3. Step 3: Cross multiply
    44,422.40x = 66,387.88 × 39,796.88
  4. Step 4: Simplify right side
    44,422.40x = 2,642,030,493.81
  5. Step 5: Solve for x
    x = 2,642,030,493.81/44,422.40
  6. Step 6: Final answer
    x = 59,475.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.