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Finding the Fourth Proportional to 11,244.45, 16,840.45 and 8,888.65

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Solution

The fourth proportional to 11,244.45, 16,840.45 and 8,888.65 is: 13,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,244.45 : 16,840.45 = 8,888.65 : x
  2. Step 2: Convert to fraction form
    11,244.45/16,840.45 = 8,888.65/x
  3. Step 3: Cross multiply
    11,244.45x = 16,840.45 × 8,888.65
  4. Step 4: Simplify right side
    11,244.45x = 149,688,834.90
  5. Step 5: Solve for x
    x = 149,688,834.90/11,244.45
  6. Step 6: Final answer
    x = 13,312.24

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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.