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Finding the Fourth Proportional to 54,328.70, 81,493.05 and 35,301.80

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Solution

The fourth proportional to 54,328.70, 81,493.05 and 35,301.80 is: 52,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328.70 : 81,493.05 = 35,301.80 : x
  2. Step 2: Convert to fraction form
    54,328.70/81,493.05 = 35,301.80/x
  3. Step 3: Cross multiply
    54,328.70x = 81,493.05 × 35,301.80
  4. Step 4: Simplify right side
    54,328.70x = 2,876,851,352.49
  5. Step 5: Solve for x
    x = 2,876,851,352.49/54,328.70
  6. Step 6: Final answer
    x = 52,952.70

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1.5x scale

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.