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Finding the Fourth Proportional to 48,683.40, 73,082.70 and 48,337.80

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Solution

The fourth proportional to 48,683.40, 73,082.70 and 48,337.80 is: 72,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,683.40 : 73,082.70 = 48,337.80 : x
  2. Step 2: Convert to fraction form
    48,683.40/73,082.70 = 48,337.80/x
  3. Step 3: Cross multiply
    48,683.40x = 73,082.70 × 48,337.80
  4. Step 4: Simplify right side
    48,683.40x = 3,532,656,936.06
  5. Step 5: Solve for x
    x = 3,532,656,936.06/48,683.40
  6. Step 6: Final answer
    x = 72,563.89

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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.