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Finding the Fourth Proportional to 4,644.81, 6,410.07 and 2,655.45

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Solution

The fourth proportional to 4,644.81, 6,410.07 and 2,655.45 is: 3,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.81 : 6,410.07 = 2,655.45 : x
  2. Step 2: Convert to fraction form
    4,644.81/6,410.07 = 2,655.45/x
  3. Step 3: Cross multiply
    4,644.81x = 6,410.07 × 2,655.45
  4. Step 4: Simplify right side
    4,644.81x = 17,021,620.38
  5. Step 5: Solve for x
    x = 17,021,620.38/4,644.81
  6. Step 6: Final answer
    x = 3,664.65

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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.