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Finding the Fourth Proportional to 7,737.05, 11,603.70 and 3,573.05

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Solution

The fourth proportional to 7,737.05, 11,603.70 and 3,573.05 is: 5,358.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737.05 : 11,603.70 = 3,573.05 : x
  2. Step 2: Convert to fraction form
    7,737.05/11,603.70 = 3,573.05/x
  3. Step 3: Cross multiply
    7,737.05x = 11,603.70 × 3,573.05
  4. Step 4: Simplify right side
    7,737.05x = 41,460,542.27
  5. Step 5: Solve for x
    x = 41,460,542.27/7,737.05
  6. Step 6: Final answer
    x = 5,358.71

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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.