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Finding the Fourth Proportional to 49,315.78, 68,055.90 and 26,959.78

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Solution

The fourth proportional to 49,315.78, 68,055.90 and 26,959.78 is: 37,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,315.78 : 68,055.90 = 26,959.78 : x
  2. Step 2: Convert to fraction form
    49,315.78/68,055.90 = 26,959.78/x
  3. Step 3: Cross multiply
    49,315.78x = 68,055.90 × 26,959.78
  4. Step 4: Simplify right side
    49,315.78x = 1,834,772,091.70
  5. Step 5: Solve for x
    x = 1,834,772,091.70/49,315.78
  6. Step 6: Final answer
    x = 37,204.56

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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.