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Finding the Fourth Proportional to 54,791.50, 75,612.36 and 29,641

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Solution

The fourth proportional to 54,791.50, 75,612.36 and 29,641 is: 40,904.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,791.50 : 75,612.36 = 29,641 : x
  2. Step 2: Convert to fraction form
    54,791.50/75,612.36 = 29,641/x
  3. Step 3: Cross multiply
    54,791.50x = 75,612.36 × 29,641
  4. Step 4: Simplify right side
    54,791.50x = 2,241,225,962.76
  5. Step 5: Solve for x
    x = 2,241,225,962.76/54,791.50
  6. Step 6: Final answer
    x = 40,904.63

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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.