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Finding the Fourth Proportional to 5,894.69, 8,840.15 and 1,945.21

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Solution

The fourth proportional to 5,894.69, 8,840.15 and 1,945.21 is: 2,917.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,894.69 : 8,840.15 = 1,945.21 : x
  2. Step 2: Convert to fraction form
    5,894.69/8,840.15 = 1,945.21/x
  3. Step 3: Cross multiply
    5,894.69x = 8,840.15 × 1,945.21
  4. Step 4: Simplify right side
    5,894.69x = 17,195,949.34
  5. Step 5: Solve for x
    x = 17,195,949.34/5,894.69
  6. Step 6: Final answer
    x = 2,917.19

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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.