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Finding the Fourth Proportional to 7,493.68, 11,240.64 and 3,597.22

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Solution

The fourth proportional to 7,493.68, 11,240.64 and 3,597.22 is: 5,395.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.68 : 11,240.64 = 3,597.22 : x
  2. Step 2: Convert to fraction form
    7,493.68/11,240.64 = 3,597.22/x
  3. Step 3: Cross multiply
    7,493.68x = 11,240.64 × 3,597.22
  4. Step 4: Simplify right side
    7,493.68x = 40,435,055.02
  5. Step 5: Solve for x
    x = 40,435,055.02/7,493.68
  6. Step 6: Final answer
    x = 5,395.89

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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.