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Finding the Fourth Proportional to 4,625.39, 6,894.23 and 4,355.81

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Solution

The fourth proportional to 4,625.39, 6,894.23 and 4,355.81 is: 6,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,625.39 : 6,894.23 = 4,355.81 : x
  2. Step 2: Convert to fraction form
    4,625.39/6,894.23 = 4,355.81/x
  3. Step 3: Cross multiply
    4,625.39x = 6,894.23 × 4,355.81
  4. Step 4: Simplify right side
    4,625.39x = 30,029,899.73
  5. Step 5: Solve for x
    x = 30,029,899.73/4,625.39
  6. Step 6: Final answer
    x = 6,492.41

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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.