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Finding the Fourth Proportional to 54,882.74, 82,314.53 and 15,430.47

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Solution

The fourth proportional to 54,882.74, 82,314.53 and 15,430.47 is: 23,143.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,882.74 : 82,314.53 = 15,430.47 : x
  2. Step 2: Convert to fraction form
    54,882.74/82,314.53 = 15,430.47/x
  3. Step 3: Cross multiply
    54,882.74x = 82,314.53 × 15,430.47
  4. Step 4: Simplify right side
    54,882.74x = 1,270,152,130.09
  5. Step 5: Solve for x
    x = 1,270,152,130.09/54,882.74
  6. Step 6: Final answer
    x = 23,143.02

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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.