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Finding the Fourth Proportional to 2,655.78, 3,664.97 and 1,476.84

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Solution

The fourth proportional to 2,655.78, 3,664.97 and 1,476.84 is: 2,038.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.78 : 3,664.97 = 1,476.84 : x
  2. Step 2: Convert to fraction form
    2,655.78/3,664.97 = 1,476.84/x
  3. Step 3: Cross multiply
    2,655.78x = 3,664.97 × 1,476.84
  4. Step 4: Simplify right side
    2,655.78x = 5,412,586.19
  5. Step 5: Solve for x
    x = 5,412,586.19/2,655.78
  6. Step 6: Final answer
    x = 2,038.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.