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Finding the Fourth Proportional to 7,737.48, 10,679.46 and 4,755.90

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Solution

The fourth proportional to 7,737.48, 10,679.46 and 4,755.90 is: 6,564.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737.48 : 10,679.46 = 4,755.90 : x
  2. Step 2: Convert to fraction form
    7,737.48/10,679.46 = 4,755.90/x
  3. Step 3: Cross multiply
    7,737.48x = 10,679.46 × 4,755.90
  4. Step 4: Simplify right side
    7,737.48x = 50,790,443.81
  5. Step 5: Solve for x
    x = 50,790,443.81/7,737.48
  6. Step 6: Final answer
    x = 6,564.21

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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.