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Finding the Fourth Proportional to 4,508.53, 6,718.39 and 4,381.69

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Solution

The fourth proportional to 4,508.53, 6,718.39 and 4,381.69 is: 6,529.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,508.53 : 6,718.39 = 4,381.69 : x
  2. Step 2: Convert to fraction form
    4,508.53/6,718.39 = 4,381.69/x
  3. Step 3: Cross multiply
    4,508.53x = 6,718.39 × 4,381.69
  4. Step 4: Simplify right side
    4,508.53x = 29,437,902.28
  5. Step 5: Solve for x
    x = 29,437,902.28/4,508.53
  6. Step 6: Final answer
    x = 6,529.38

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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.