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Finding the Fourth Proportional to 10,659.84, 15,991.50 and 3,262.56

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Solution

The fourth proportional to 10,659.84, 15,991.50 and 3,262.56 is: 4,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.84 : 15,991.50 = 3,262.56 : x
  2. Step 2: Convert to fraction form
    10,659.84/15,991.50 = 3,262.56/x
  3. Step 3: Cross multiply
    10,659.84x = 15,991.50 × 3,262.56
  4. Step 4: Simplify right side
    10,659.84x = 52,173,228.24
  5. Step 5: Solve for x
    x = 52,173,228.24/10,659.84
  6. Step 6: Final answer
    x = 4,894.37

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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.