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Finding the Fourth Proportional to 40,644.76, 61,271.78 and 37,935.31

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Solution

The fourth proportional to 40,644.76, 61,271.78 and 37,935.31 is: 57,187.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,644.76 : 61,271.78 = 37,935.31 : x
  2. Step 2: Convert to fraction form
    40,644.76/61,271.78 = 37,935.31/x
  3. Step 3: Cross multiply
    40,644.76x = 61,271.78 × 37,935.31
  4. Step 4: Simplify right side
    40,644.76x = 2,324,363,625.70
  5. Step 5: Solve for x
    x = 2,324,363,625.70/40,644.76
  6. Step 6: Final answer
    x = 57,187.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.