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Finding the Fourth Proportional to 5,453.12, 7,530.12 and 4,053.44

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Solution

The fourth proportional to 5,453.12, 7,530.12 and 4,053.44 is: 5,597.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.12 : 7,530.12 = 4,053.44 : x
  2. Step 2: Convert to fraction form
    5,453.12/7,530.12 = 4,053.44/x
  3. Step 3: Cross multiply
    5,453.12x = 7,530.12 × 4,053.44
  4. Step 4: Simplify right side
    5,453.12x = 30,522,889.61
  5. Step 5: Solve for x
    x = 30,522,889.61/5,453.12
  6. Step 6: Final answer
    x = 5,597.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.