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Finding the Fourth Proportional to 54,144.65, 74,720.07 and 29,949.14

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Solution

The fourth proportional to 54,144.65, 74,720.07 and 29,949.14 is: 41,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,144.65 : 74,720.07 = 29,949.14 : x
  2. Step 2: Convert to fraction form
    54,144.65/74,720.07 = 29,949.14/x
  3. Step 3: Cross multiply
    54,144.65x = 74,720.07 × 29,949.14
  4. Step 4: Simplify right side
    54,144.65x = 2,237,802,024.04
  5. Step 5: Solve for x
    x = 2,237,802,024.04/54,144.65
  6. Step 6: Final answer
    x = 41,330.07

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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.