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Finding the Fourth Proportional to 8,933.85, 12,292.47 and 7,334.61

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Solution

The fourth proportional to 8,933.85, 12,292.47 and 7,334.61 is: 10,092.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.85 : 12,292.47 = 7,334.61 : x
  2. Step 2: Convert to fraction form
    8,933.85/12,292.47 = 7,334.61/x
  3. Step 3: Cross multiply
    8,933.85x = 12,292.47 × 7,334.61
  4. Step 4: Simplify right side
    8,933.85x = 90,160,473.39
  5. Step 5: Solve for x
    x = 90,160,473.39/8,933.85
  6. Step 6: Final answer
    x = 10,092.01

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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.