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Finding the Fourth Proportional to 54,397.98, 81,598.80 and 38,673.44

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Solution

The fourth proportional to 54,397.98, 81,598.80 and 38,673.44 is: 58,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,397.98 : 81,598.80 = 38,673.44 : x
  2. Step 2: Convert to fraction form
    54,397.98/81,598.80 = 38,673.44/x
  3. Step 3: Cross multiply
    54,397.98x = 81,598.80 × 38,673.44
  4. Step 4: Simplify right side
    54,397.98x = 3,155,706,295.87
  5. Step 5: Solve for x
    x = 3,155,706,295.87/54,397.98
  6. Step 6: Final answer
    x = 58,011.46

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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.