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Finding the Fourth Proportional to 70,951.50, 97,927.26 and 40,757.55

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Solution

The fourth proportional to 70,951.50, 97,927.26 and 40,757.55 is: 56,253.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,951.50 : 97,927.26 = 40,757.55 : x
  2. Step 2: Convert to fraction form
    70,951.50/97,927.26 = 40,757.55/x
  3. Step 3: Cross multiply
    70,951.50x = 97,927.26 × 40,757.55
  4. Step 4: Simplify right side
    70,951.50x = 3,991,275,195.81
  5. Step 5: Solve for x
    x = 3,991,275,195.81/70,951.50
  6. Step 6: Final answer
    x = 56,253.57

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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.