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Finding the Fourth Proportional to 5,606.90, 8,403.15 and 4,301.90

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Solution

The fourth proportional to 5,606.90, 8,403.15 and 4,301.90 is: 6,447.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606.90 : 8,403.15 = 4,301.90 : x
  2. Step 2: Convert to fraction form
    5,606.90/8,403.15 = 4,301.90/x
  3. Step 3: Cross multiply
    5,606.90x = 8,403.15 × 4,301.90
  4. Step 4: Simplify right side
    5,606.90x = 36,149,510.99
  5. Step 5: Solve for x
    x = 36,149,510.99/5,606.90
  6. Step 6: Final answer
    x = 6,447.33

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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.