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Finding the Fourth Proportional to 8,563.33, 11,772.07 and 7,363.90

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Solution

The fourth proportional to 8,563.33, 11,772.07 and 7,363.90 is: 10,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563.33 : 11,772.07 = 7,363.90 : x
  2. Step 2: Convert to fraction form
    8,563.33/11,772.07 = 7,363.90/x
  3. Step 3: Cross multiply
    8,563.33x = 11,772.07 × 7,363.90
  4. Step 4: Simplify right side
    8,563.33x = 86,688,309.45
  5. Step 5: Solve for x
    x = 86,688,309.45/8,563.33
  6. Step 6: Final answer
    x = 10,123.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.