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Finding the Fourth Proportional to 77,799, 107,382.06 and 44,284.44

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Solution

The fourth proportional to 77,799, 107,382.06 and 44,284.44 is: 61,123.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,799 : 107,382.06 = 44,284.44 : x
  2. Step 2: Convert to fraction form
    77,799/107,382.06 = 44,284.44/x
  3. Step 3: Cross multiply
    77,799x = 107,382.06 × 44,284.44
  4. Step 4: Simplify right side
    77,799x = 4,755,354,393.15
  5. Step 5: Solve for x
    x = 4,755,354,393.15/77,799
  6. Step 6: Final answer
    x = 61,123.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.