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Finding the Fourth Proportional to 5,669.91, 8,507.78 and 2,340.63

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Solution

The fourth proportional to 5,669.91, 8,507.78 and 2,340.63 is: 3,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.91 : 8,507.78 = 2,340.63 : x
  2. Step 2: Convert to fraction form
    5,669.91/8,507.78 = 2,340.63/x
  3. Step 3: Cross multiply
    5,669.91x = 8,507.78 × 2,340.63
  4. Step 4: Simplify right side
    5,669.91x = 19,913,553.40
  5. Step 5: Solve for x
    x = 19,913,553.40/5,669.91
  6. Step 6: Final answer
    x = 3,512.15

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1.5x scale

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.