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Finding the Fourth Proportional to 54,473.04, 75,173.04 and 30,607.92

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Solution

The fourth proportional to 54,473.04, 75,173.04 and 30,607.92 is: 42,239.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,473.04 : 75,173.04 = 30,607.92 : x
  2. Step 2: Convert to fraction form
    54,473.04/75,173.04 = 30,607.92/x
  3. Step 3: Cross multiply
    54,473.04x = 75,173.04 × 30,607.92
  4. Step 4: Simplify right side
    54,473.04x = 2,300,890,394.48
  5. Step 5: Solve for x
    x = 2,300,890,394.48/54,473.04
  6. Step 6: Final answer
    x = 42,239.07

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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.