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Finding the Fourth Proportional to 8,370.57, 11,550.54 and 4,834.92

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Solution

The fourth proportional to 8,370.57, 11,550.54 and 4,834.92 is: 6,671.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.57 : 11,550.54 = 4,834.92 : x
  2. Step 2: Convert to fraction form
    8,370.57/11,550.54 = 4,834.92/x
  3. Step 3: Cross multiply
    8,370.57x = 11,550.54 × 4,834.92
  4. Step 4: Simplify right side
    8,370.57x = 55,845,936.86
  5. Step 5: Solve for x
    x = 55,845,936.86/8,370.57
  6. Step 6: Final answer
    x = 6,671.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.