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Finding the Fourth Proportional to 10,593.87, 15,879.70 and 3,571.46

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Solution

The fourth proportional to 10,593.87, 15,879.70 and 3,571.46 is: 5,353.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,593.87 : 15,879.70 = 3,571.46 : x
  2. Step 2: Convert to fraction form
    10,593.87/15,879.70 = 3,571.46/x
  3. Step 3: Cross multiply
    10,593.87x = 15,879.70 × 3,571.46
  4. Step 4: Simplify right side
    10,593.87x = 56,713,713.36
  5. Step 5: Solve for x
    x = 56,713,713.36/10,593.87
  6. Step 6: Final answer
    x = 5,353.45

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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.