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Finding the Fourth Proportional to 10,644.90, 15,950.94 and 6,741.12

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Solution

The fourth proportional to 10,644.90, 15,950.94 and 6,741.12 is: 10,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.90 : 15,950.94 = 6,741.12 : x
  2. Step 2: Convert to fraction form
    10,644.90/15,950.94 = 6,741.12/x
  3. Step 3: Cross multiply
    10,644.90x = 15,950.94 × 6,741.12
  4. Step 4: Simplify right side
    10,644.90x = 107,527,200.65
  5. Step 5: Solve for x
    x = 107,527,200.65/10,644.90
  6. Step 6: Final answer
    x = 10,101.29

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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.