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Finding the Fourth Proportional to 5,057.28, 7,006.14 and 4,936.32

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Solution

The fourth proportional to 5,057.28, 7,006.14 and 4,936.32 is: 6,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.28 : 7,006.14 = 4,936.32 : x
  2. Step 2: Convert to fraction form
    5,057.28/7,006.14 = 4,936.32/x
  3. Step 3: Cross multiply
    5,057.28x = 7,006.14 × 4,936.32
  4. Step 4: Simplify right side
    5,057.28x = 34,584,549.00
  5. Step 5: Solve for x
    x = 34,584,549.00/5,057.28
  6. Step 6: Final answer
    x = 6,838.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.