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Finding the Fourth Proportional to 54,557.34, 81,836.02 and 15,114.47

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Solution

The fourth proportional to 54,557.34, 81,836.02 and 15,114.47 is: 22,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,557.34 : 81,836.02 = 15,114.47 : x
  2. Step 2: Convert to fraction form
    54,557.34/81,836.02 = 15,114.47/x
  3. Step 3: Cross multiply
    54,557.34x = 81,836.02 × 15,114.47
  4. Step 4: Simplify right side
    54,557.34x = 1,236,908,069.21
  5. Step 5: Solve for x
    x = 1,236,908,069.21/54,557.34
  6. Step 6: Final answer
    x = 22,671.71

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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.