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Finding the Fourth Proportional to 53,356.65, 73,631.19 and 29,482.82

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Solution

The fourth proportional to 53,356.65, 73,631.19 and 29,482.82 is: 40,685.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,356.65 : 73,631.19 = 29,482.82 : x
  2. Step 2: Convert to fraction form
    53,356.65/73,631.19 = 29,482.82/x
  3. Step 3: Cross multiply
    53,356.65x = 73,631.19 × 29,482.82
  4. Step 4: Simplify right side
    53,356.65x = 2,170,855,121.16
  5. Step 5: Solve for x
    x = 2,170,855,121.16/53,356.65
  6. Step 6: Final answer
    x = 40,685.75

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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.