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Finding the Fourth Proportional to 74,012.47, 110,935.47 and 36,493.13

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Solution

The fourth proportional to 74,012.47, 110,935.47 and 36,493.13 is: 54,698.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,012.47 : 110,935.47 = 36,493.13 : x
  2. Step 2: Convert to fraction form
    74,012.47/110,935.47 = 36,493.13/x
  3. Step 3: Cross multiply
    74,012.47x = 110,935.47 × 36,493.13
  4. Step 4: Simplify right side
    74,012.47x = 4,048,382,528.32
  5. Step 5: Solve for x
    x = 4,048,382,528.32/74,012.47
  6. Step 6: Final answer
    x = 54,698.65

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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.