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Finding the Fourth Proportional to 8,894.67, 13,317.36 and 4,490.56

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Solution

The fourth proportional to 8,894.67, 13,317.36 and 4,490.56 is: 6,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894.67 : 13,317.36 = 4,490.56 : x
  2. Step 2: Convert to fraction form
    8,894.67/13,317.36 = 4,490.56/x
  3. Step 3: Cross multiply
    8,894.67x = 13,317.36 × 4,490.56
  4. Step 4: Simplify right side
    8,894.67x = 59,802,404.12
  5. Step 5: Solve for x
    x = 59,802,404.12/8,894.67
  6. Step 6: Final answer
    x = 6,723.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.