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Finding the Fourth Proportional to 5,695.68, 8,529.98 and 2,764.56

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Solution

The fourth proportional to 5,695.68, 8,529.98 and 2,764.56 is: 4,140.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.68 : 8,529.98 = 2,764.56 : x
  2. Step 2: Convert to fraction form
    5,695.68/8,529.98 = 2,764.56/x
  3. Step 3: Cross multiply
    5,695.68x = 8,529.98 × 2,764.56
  4. Step 4: Simplify right side
    5,695.68x = 23,581,641.51
  5. Step 5: Solve for x
    x = 23,581,641.51/5,695.68
  6. Step 6: Final answer
    x = 4,140.27

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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.