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Finding the Fourth Proportional to 1,654.08, 2,477.16 and 959.28

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Solution

The fourth proportional to 1,654.08, 2,477.16 and 959.28 is: 1,436.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.08 : 2,477.16 = 959.28 : x
  2. Step 2: Convert to fraction form
    1,654.08/2,477.16 = 959.28/x
  3. Step 3: Cross multiply
    1,654.08x = 2,477.16 × 959.28
  4. Step 4: Simplify right side
    1,654.08x = 2,376,290.04
  5. Step 5: Solve for x
    x = 2,376,290.04/1,654.08
  6. Step 6: Final answer
    x = 1,436.62

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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.