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Finding the Fourth Proportional to 74,547.88, 111,818.20 and 27,797.12

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Solution

The fourth proportional to 74,547.88, 111,818.20 and 27,797.12 is: 41,694.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,547.88 : 111,818.20 = 27,797.12 : x
  2. Step 2: Convert to fraction form
    74,547.88/111,818.20 = 27,797.12/x
  3. Step 3: Cross multiply
    74,547.88x = 111,818.20 × 27,797.12
  4. Step 4: Simplify right side
    74,547.88x = 3,108,223,923.58
  5. Step 5: Solve for x
    x = 3,108,223,923.58/74,547.88
  6. Step 6: Final answer
    x = 41,694.33

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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.