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Finding the Fourth Proportional to 11,888.57, 17,834.88 and 4,095.56

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Solution

The fourth proportional to 11,888.57, 17,834.88 and 4,095.56 is: 6,144.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.57 : 17,834.88 = 4,095.56 : x
  2. Step 2: Convert to fraction form
    11,888.57/17,834.88 = 4,095.56/x
  3. Step 3: Cross multiply
    11,888.57x = 17,834.88 × 4,095.56
  4. Step 4: Simplify right side
    11,888.57x = 73,043,881.08
  5. Step 5: Solve for x
    x = 73,043,881.08/11,888.57
  6. Step 6: Final answer
    x = 6,144.04

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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.