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Finding the Fourth Proportional to 5,525.64, 8,247.81 and 4,869.48

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Solution

The fourth proportional to 5,525.64, 8,247.81 and 4,869.48 is: 7,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,525.64 : 8,247.81 = 4,869.48 : x
  2. Step 2: Convert to fraction form
    5,525.64/8,247.81 = 4,869.48/x
  3. Step 3: Cross multiply
    5,525.64x = 8,247.81 × 4,869.48
  4. Step 4: Simplify right side
    5,525.64x = 40,162,545.84
  5. Step 5: Solve for x
    x = 40,162,545.84/5,525.64
  6. Step 6: Final answer
    x = 7,268.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.