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Finding the Fourth Proportional to 8,892.88, 13,337.64 and 2,318.65

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Solution

The fourth proportional to 8,892.88, 13,337.64 and 2,318.65 is: 3,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.88 : 13,337.64 = 2,318.65 : x
  2. Step 2: Convert to fraction form
    8,892.88/13,337.64 = 2,318.65/x
  3. Step 3: Cross multiply
    8,892.88x = 13,337.64 × 2,318.65
  4. Step 4: Simplify right side
    8,892.88x = 30,925,318.99
  5. Step 5: Solve for x
    x = 30,925,318.99/8,892.88
  6. Step 6: Final answer
    x = 3,477.54

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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.