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Finding the Fourth Proportional to 8,362.28, 11,531.94 and 5,004.56

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Solution

The fourth proportional to 8,362.28, 11,531.94 and 5,004.56 is: 6,901.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.28 : 11,531.94 = 5,004.56 : x
  2. Step 2: Convert to fraction form
    8,362.28/11,531.94 = 5,004.56/x
  3. Step 3: Cross multiply
    8,362.28x = 11,531.94 × 5,004.56
  4. Step 4: Simplify right side
    8,362.28x = 57,712,285.65
  5. Step 5: Solve for x
    x = 57,712,285.65/8,362.28
  6. Step 6: Final answer
    x = 6,901.50

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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.