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Finding the Fourth Proportional to 5,607.54, 7,736.85 and 3,618.18

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Solution

The fourth proportional to 5,607.54, 7,736.85 and 3,618.18 is: 4,992.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.54 : 7,736.85 = 3,618.18 : x
  2. Step 2: Convert to fraction form
    5,607.54/7,736.85 = 3,618.18/x
  3. Step 3: Cross multiply
    5,607.54x = 7,736.85 × 3,618.18
  4. Step 4: Simplify right side
    5,607.54x = 27,993,315.93
  5. Step 5: Solve for x
    x = 27,993,315.93/5,607.54
  6. Step 6: Final answer
    x = 4,992.08

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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.