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Finding the Fourth Proportional to 15,309.46, 22,965.45 and 6,544.45

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Solution

The fourth proportional to 15,309.46, 22,965.45 and 6,544.45 is: 9,817.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.46 : 22,965.45 = 6,544.45 : x
  2. Step 2: Convert to fraction form
    15,309.46/22,965.45 = 6,544.45/x
  3. Step 3: Cross multiply
    15,309.46x = 22,965.45 × 6,544.45
  4. Step 4: Simplify right side
    15,309.46x = 150,296,239.25
  5. Step 5: Solve for x
    x = 150,296,239.25/15,309.46
  6. Step 6: Final answer
    x = 9,817.21

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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.