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Finding the Fourth Proportional to 5,653.15, 7,799.77 and 3,294.84

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Solution

The fourth proportional to 5,653.15, 7,799.77 and 3,294.84 is: 4,545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.15 : 7,799.77 = 3,294.84 : x
  2. Step 2: Convert to fraction form
    5,653.15/7,799.77 = 3,294.84/x
  3. Step 3: Cross multiply
    5,653.15x = 7,799.77 × 3,294.84
  4. Step 4: Simplify right side
    5,653.15x = 25,698,938.71
  5. Step 5: Solve for x
    x = 25,698,938.71/5,653.15
  6. Step 6: Final answer
    x = 4,545.95

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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.