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Finding the Fourth Proportional to 1,760.84, 2,628.25 and 1,553.32

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Solution

The fourth proportional to 1,760.84, 2,628.25 and 1,553.32 is: 2,318.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.84 : 2,628.25 = 1,553.32 : x
  2. Step 2: Convert to fraction form
    1,760.84/2,628.25 = 1,553.32/x
  3. Step 3: Cross multiply
    1,760.84x = 2,628.25 × 1,553.32
  4. Step 4: Simplify right side
    1,760.84x = 4,082,513.29
  5. Step 5: Solve for x
    x = 4,082,513.29/1,760.84
  6. Step 6: Final answer
    x = 2,318.50

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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.