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Finding the Fourth Proportional to 5,845.86, 8,693.67 and 5,661.33

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Solution

The fourth proportional to 5,845.86, 8,693.67 and 5,661.33 is: 8,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,845.86 : 8,693.67 = 5,661.33 : x
  2. Step 2: Convert to fraction form
    5,845.86/8,693.67 = 5,661.33/x
  3. Step 3: Cross multiply
    5,845.86x = 8,693.67 × 5,661.33
  4. Step 4: Simplify right side
    5,845.86x = 49,217,734.78
  5. Step 5: Solve for x
    x = 49,217,734.78/5,845.86
  6. Step 6: Final answer
    x = 8,419.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.