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Finding the Fourth Proportional to 3,503.91, 4,828.02 and 3,317.61

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Solution

The fourth proportional to 3,503.91, 4,828.02 and 3,317.61 is: 4,571.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.91 : 4,828.02 = 3,317.61 : x
  2. Step 2: Convert to fraction form
    3,503.91/4,828.02 = 3,317.61/x
  3. Step 3: Cross multiply
    3,503.91x = 4,828.02 × 3,317.61
  4. Step 4: Simplify right side
    3,503.91x = 16,017,487.43
  5. Step 5: Solve for x
    x = 16,017,487.43/3,503.91
  6. Step 6: Final answer
    x = 4,571.32

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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.