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Finding the Fourth Proportional to 5,502.51, 8,253.90 and 1,808.10

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Solution

The fourth proportional to 5,502.51, 8,253.90 and 1,808.10 is: 2,712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,502.51 : 8,253.90 = 1,808.10 : x
  2. Step 2: Convert to fraction form
    5,502.51/8,253.90 = 1,808.10/x
  3. Step 3: Cross multiply
    5,502.51x = 8,253.90 × 1,808.10
  4. Step 4: Simplify right side
    5,502.51x = 14,923,876.59
  5. Step 5: Solve for x
    x = 14,923,876.59/5,502.51
  6. Step 6: Final answer
    x = 2,712.19

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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.