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Finding the Fourth Proportional to 5,945.86, 8,910.58 and 4,483.40

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Solution

The fourth proportional to 5,945.86, 8,910.58 and 4,483.40 is: 6,718.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,945.86 : 8,910.58 = 4,483.40 : x
  2. Step 2: Convert to fraction form
    5,945.86/8,910.58 = 4,483.40/x
  3. Step 3: Cross multiply
    5,945.86x = 8,910.58 × 4,483.40
  4. Step 4: Simplify right side
    5,945.86x = 39,949,716.65
  5. Step 5: Solve for x
    x = 39,949,716.65/5,945.86
  6. Step 6: Final answer
    x = 6,718.92

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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.