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Finding the Fourth Proportional to 7,599.74, 11,391.82 and 2,918.49

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Solution

The fourth proportional to 7,599.74, 11,391.82 and 2,918.49 is: 4,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,599.74 : 11,391.82 = 2,918.49 : x
  2. Step 2: Convert to fraction form
    7,599.74/11,391.82 = 2,918.49/x
  3. Step 3: Cross multiply
    7,599.74x = 11,391.82 × 2,918.49
  4. Step 4: Simplify right side
    7,599.74x = 33,246,926.82
  5. Step 5: Solve for x
    x = 33,246,926.82/7,599.74
  6. Step 6: Final answer
    x = 4,374.74

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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.