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Finding the Fourth Proportional to 5,288.54, 7,933.07 and 4,362.38

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Solution

The fourth proportional to 5,288.54, 7,933.07 and 4,362.38 is: 6,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.54 : 7,933.07 = 4,362.38 : x
  2. Step 2: Convert to fraction form
    5,288.54/7,933.07 = 4,362.38/x
  3. Step 3: Cross multiply
    5,288.54x = 7,933.07 × 4,362.38
  4. Step 4: Simplify right side
    5,288.54x = 34,607,065.91
  5. Step 5: Solve for x
    x = 34,607,065.91/5,288.54
  6. Step 6: Final answer
    x = 6,543.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.