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Finding the Fourth Proportional to 5,647.54, 7,797.50 and 4,318.93

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Solution

The fourth proportional to 5,647.54, 7,797.50 and 4,318.93 is: 5,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.54 : 7,797.50 = 4,318.93 : x
  2. Step 2: Convert to fraction form
    5,647.54/7,797.50 = 4,318.93/x
  3. Step 3: Cross multiply
    5,647.54x = 7,797.50 × 4,318.93
  4. Step 4: Simplify right side
    5,647.54x = 33,676,856.68
  5. Step 5: Solve for x
    x = 33,676,856.68/5,647.54
  6. Step 6: Final answer
    x = 5,963.10

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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.