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Finding the Fourth Proportional to 1,654.08, 2,482.44 and 874.96

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Solution

The fourth proportional to 1,654.08, 2,482.44 and 874.96 is: 1,313.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.08 : 2,482.44 = 874.96 : x
  2. Step 2: Convert to fraction form
    1,654.08/2,482.44 = 874.96/x
  3. Step 3: Cross multiply
    1,654.08x = 2,482.44 × 874.96
  4. Step 4: Simplify right side
    1,654.08x = 2,172,035.70
  5. Step 5: Solve for x
    x = 2,172,035.70/1,654.08
  6. Step 6: Final answer
    x = 1,313.14

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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.