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Finding the Fourth Proportional to 40,791.78, 56,292.78 and 23,807.70

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Solution

The fourth proportional to 40,791.78, 56,292.78 and 23,807.70 is: 32,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,791.78 : 56,292.78 = 23,807.70 : x
  2. Step 2: Convert to fraction form
    40,791.78/56,292.78 = 23,807.70/x
  3. Step 3: Cross multiply
    40,791.78x = 56,292.78 × 23,807.70
  4. Step 4: Simplify right side
    40,791.78x = 1,340,201,618.41
  5. Step 5: Solve for x
    x = 1,340,201,618.41/40,791.78
  6. Step 6: Final answer
    x = 32,854.70

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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.