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Finding the Fourth Proportional to 4,642.62, 6,406.58 and 2,652.92

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Solution

The fourth proportional to 4,642.62, 6,406.58 and 2,652.92 is: 3,660.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.62 : 6,406.58 = 2,652.92 : x
  2. Step 2: Convert to fraction form
    4,642.62/6,406.58 = 2,652.92/x
  3. Step 3: Cross multiply
    4,642.62x = 6,406.58 × 2,652.92
  4. Step 4: Simplify right side
    4,642.62x = 16,996,144.21
  5. Step 5: Solve for x
    x = 16,996,144.21/4,642.62
  6. Step 6: Final answer
    x = 3,660.89

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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.