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Finding the Fourth Proportional to 1,669.08, 2,502.16 and 846.96

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Solution

The fourth proportional to 1,669.08, 2,502.16 and 846.96 is: 1,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.08 : 2,502.16 = 846.96 : x
  2. Step 2: Convert to fraction form
    1,669.08/2,502.16 = 846.96/x
  3. Step 3: Cross multiply
    1,669.08x = 2,502.16 × 846.96
  4. Step 4: Simplify right side
    1,669.08x = 2,119,229.43
  5. Step 5: Solve for x
    x = 2,119,229.43/1,669.08
  6. Step 6: Final answer
    x = 1,269.70

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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.