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Finding the Fourth Proportional to 35,865.28, 53,797.74 and 9,211.24

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Solution

The fourth proportional to 35,865.28, 53,797.74 and 9,211.24 is: 13,816.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,865.28 : 53,797.74 = 9,211.24 : x
  2. Step 2: Convert to fraction form
    35,865.28/53,797.74 = 9,211.24/x
  3. Step 3: Cross multiply
    35,865.28x = 53,797.74 × 9,211.24
  4. Step 4: Simplify right side
    35,865.28x = 495,543,894.60
  5. Step 5: Solve for x
    x = 495,543,894.60/35,865.28
  6. Step 6: Final answer
    x = 13,816.81

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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.