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Finding the Fourth Proportional to 8,363.45, 11,542.08 and 4,637.45

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Solution

The fourth proportional to 8,363.45, 11,542.08 and 4,637.45 is: 6,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.45 : 11,542.08 = 4,637.45 : x
  2. Step 2: Convert to fraction form
    8,363.45/11,542.08 = 4,637.45/x
  3. Step 3: Cross multiply
    8,363.45x = 11,542.08 × 4,637.45
  4. Step 4: Simplify right side
    8,363.45x = 53,525,818.90
  5. Step 5: Solve for x
    x = 53,525,818.90/8,363.45
  6. Step 6: Final answer
    x = 6,399.97

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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.