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Finding the Fourth Proportional to 5,695.48, 8,525.40 and 3,691.48

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Solution

The fourth proportional to 5,695.48, 8,525.40 and 3,691.48 is: 5,525.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.48 : 8,525.40 = 3,691.48 : x
  2. Step 2: Convert to fraction form
    5,695.48/8,525.40 = 3,691.48/x
  3. Step 3: Cross multiply
    5,695.48x = 8,525.40 × 3,691.48
  4. Step 4: Simplify right side
    5,695.48x = 31,471,343.59
  5. Step 5: Solve for x
    x = 31,471,343.59/5,695.48
  6. Step 6: Final answer
    x = 5,525.67

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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.