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Finding the Fourth Proportional to 7,888.34, 11,833.95 and 2,694.74

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Solution

The fourth proportional to 7,888.34, 11,833.95 and 2,694.74 is: 4,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.34 : 11,833.95 = 2,694.74 : x
  2. Step 2: Convert to fraction form
    7,888.34/11,833.95 = 2,694.74/x
  3. Step 3: Cross multiply
    7,888.34x = 11,833.95 × 2,694.74
  4. Step 4: Simplify right side
    7,888.34x = 31,889,418.42
  5. Step 5: Solve for x
    x = 31,889,418.42/7,888.34
  6. Step 6: Final answer
    x = 4,042.60

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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.