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Finding the Fourth Proportional to 8,703.37, 12,010.67 and 4,724.48

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Solution

The fourth proportional to 8,703.37, 12,010.67 and 4,724.48 is: 6,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.37 : 12,010.67 = 4,724.48 : x
  2. Step 2: Convert to fraction form
    8,703.37/12,010.67 = 4,724.48/x
  3. Step 3: Cross multiply
    8,703.37x = 12,010.67 × 4,724.48
  4. Step 4: Simplify right side
    8,703.37x = 56,744,170.20
  5. Step 5: Solve for x
    x = 56,744,170.20/8,703.37
  6. Step 6: Final answer
    x = 6,519.79

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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.