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Finding the Fourth Proportional to 1,525.61, 2,288.42 and 793.67

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Solution

The fourth proportional to 1,525.61, 2,288.42 and 793.67 is: 1,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.61 : 2,288.42 = 793.67 : x
  2. Step 2: Convert to fraction form
    1,525.61/2,288.42 = 793.67/x
  3. Step 3: Cross multiply
    1,525.61x = 2,288.42 × 793.67
  4. Step 4: Simplify right side
    1,525.61x = 1,816,250.30
  5. Step 5: Solve for x
    x = 1,816,250.30/1,525.61
  6. Step 6: Final answer
    x = 1,190.51

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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.