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Finding the Fourth Proportional to 60,984.70, 91,347.45 and 50,616.70

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Solution

The fourth proportional to 60,984.70, 91,347.45 and 50,616.70 is: 75,817.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,984.70 : 91,347.45 = 50,616.70 : x
  2. Step 2: Convert to fraction form
    60,984.70/91,347.45 = 50,616.70/x
  3. Step 3: Cross multiply
    60,984.70x = 91,347.45 × 50,616.70
  4. Step 4: Simplify right side
    60,984.70x = 4,623,706,472.42
  5. Step 5: Solve for x
    x = 4,623,706,472.42/60,984.70
  6. Step 6: Final answer
    x = 75,817.48

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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.