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Finding the Fourth Proportional to 50,839.79, 70,160.70 and 30,692.73

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Solution

The fourth proportional to 50,839.79, 70,160.70 and 30,692.73 is: 42,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,839.79 : 70,160.70 = 30,692.73 : x
  2. Step 2: Convert to fraction form
    50,839.79/70,160.70 = 30,692.73/x
  3. Step 3: Cross multiply
    50,839.79x = 70,160.70 × 30,692.73
  4. Step 4: Simplify right side
    50,839.79x = 2,153,423,421.71
  5. Step 5: Solve for x
    x = 2,153,423,421.71/50,839.79
  6. Step 6: Final answer
    x = 42,357.05

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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.