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Finding the Fourth Proportional to 52,793.34, 79,589.45 and 49,935.66

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Solution

The fourth proportional to 52,793.34, 79,589.45 and 49,935.66 is: 75,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,793.34 : 79,589.45 = 49,935.66 : x
  2. Step 2: Convert to fraction form
    52,793.34/79,589.45 = 49,935.66/x
  3. Step 3: Cross multiply
    52,793.34x = 79,589.45 × 49,935.66
  4. Step 4: Simplify right side
    52,793.34x = 3,974,351,465.11
  5. Step 5: Solve for x
    x = 3,974,351,465.11/52,793.34
  6. Step 6: Final answer
    x = 75,281.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.