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Finding the Fourth Proportional to 41,392.80, 61,807.68 and 39,054.08

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Solution

The fourth proportional to 41,392.80, 61,807.68 and 39,054.08 is: 58,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,392.80 : 61,807.68 = 39,054.08 : x
  2. Step 2: Convert to fraction form
    41,392.80/61,807.68 = 39,054.08/x
  3. Step 3: Cross multiply
    41,392.80x = 61,807.68 × 39,054.08
  4. Step 4: Simplify right side
    41,392.80x = 2,413,842,079.33
  5. Step 5: Solve for x
    x = 2,413,842,079.33/41,392.80
  6. Step 6: Final answer
    x = 58,315.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.