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Finding the Fourth Proportional to 54,644.80, 81,848.55 and 26,505.72

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Solution

The fourth proportional to 54,644.80, 81,848.55 and 26,505.72 is: 39,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,644.80 : 81,848.55 = 26,505.72 : x
  2. Step 2: Convert to fraction form
    54,644.80/81,848.55 = 26,505.72/x
  3. Step 3: Cross multiply
    54,644.80x = 81,848.55 × 26,505.72
  4. Step 4: Simplify right side
    54,644.80x = 2,169,454,658.46
  5. Step 5: Solve for x
    x = 2,169,454,658.46/54,644.80
  6. Step 6: Final answer
    x = 39,701.03

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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.