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Finding the Fourth Proportional to 7,599.09, 11,400.11 and 2,918.75

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Solution

The fourth proportional to 7,599.09, 11,400.11 and 2,918.75 is: 4,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,599.09 : 11,400.11 = 2,918.75 : x
  2. Step 2: Convert to fraction form
    7,599.09/11,400.11 = 2,918.75/x
  3. Step 3: Cross multiply
    7,599.09x = 11,400.11 × 2,918.75
  4. Step 4: Simplify right side
    7,599.09x = 33,274,056.47
  5. Step 5: Solve for x
    x = 33,274,056.47/7,599.09
  6. Step 6: Final answer
    x = 4,378.69

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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.