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Finding the Fourth Proportional to 7,053.68, 10,578.12 and 3,353.84

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Solution

The fourth proportional to 7,053.68, 10,578.12 and 3,353.84 is: 5,029.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.68 : 10,578.12 = 3,353.84 : x
  2. Step 2: Convert to fraction form
    7,053.68/10,578.12 = 3,353.84/x
  3. Step 3: Cross multiply
    7,053.68x = 10,578.12 × 3,353.84
  4. Step 4: Simplify right side
    7,053.68x = 35,477,321.98
  5. Step 5: Solve for x
    x = 35,477,321.98/7,053.68
  6. Step 6: Final answer
    x = 5,029.62

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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.