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Finding the Fourth Proportional to 57,554.58, 79,428.97 and 32,405.70

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Solution

The fourth proportional to 57,554.58, 79,428.97 and 32,405.70 is: 44,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,554.58 : 79,428.97 = 32,405.70 : x
  2. Step 2: Convert to fraction form
    57,554.58/79,428.97 = 32,405.70/x
  3. Step 3: Cross multiply
    57,554.58x = 79,428.97 × 32,405.70
  4. Step 4: Simplify right side
    57,554.58x = 2,573,951,711.49
  5. Step 5: Solve for x
    x = 2,573,951,711.49/57,554.58
  6. Step 6: Final answer
    x = 44,721.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.