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Finding the Fourth Proportional to 10,009.61, 15,012.11 and 3,770.27

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Solution

The fourth proportional to 10,009.61, 15,012.11 and 3,770.27 is: 5,654.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.61 : 15,012.11 = 3,770.27 : x
  2. Step 2: Convert to fraction form
    10,009.61/15,012.11 = 3,770.27/x
  3. Step 3: Cross multiply
    10,009.61x = 15,012.11 × 3,770.27
  4. Step 4: Simplify right side
    10,009.61x = 56,599,614.06
  5. Step 5: Solve for x
    x = 56,599,614.06/10,009.61
  6. Step 6: Final answer
    x = 5,654.53

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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.