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Finding the Fourth Proportional to 54,248.54, 81,307.19 and 27,938.93

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Solution

The fourth proportional to 54,248.54, 81,307.19 and 27,938.93 is: 41,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,248.54 : 81,307.19 = 27,938.93 : x
  2. Step 2: Convert to fraction form
    54,248.54/81,307.19 = 27,938.93/x
  3. Step 3: Cross multiply
    54,248.54x = 81,307.19 × 27,938.93
  4. Step 4: Simplify right side
    54,248.54x = 2,271,635,553.22
  5. Step 5: Solve for x
    x = 2,271,635,553.22/54,248.54
  6. Step 6: Final answer
    x = 41,874.60

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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.