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Finding the Fourth Proportional to 10,014.70, 15,003.60 and 5,856.70

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Solution

The fourth proportional to 10,014.70, 15,003.60 and 5,856.70 is: 8,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.70 : 15,003.60 = 5,856.70 : x
  2. Step 2: Convert to fraction form
    10,014.70/15,003.60 = 5,856.70/x
  3. Step 3: Cross multiply
    10,014.70x = 15,003.60 × 5,856.70
  4. Step 4: Simplify right side
    10,014.70x = 87,871,584.12
  5. Step 5: Solve for x
    x = 87,871,584.12/10,014.70
  6. Step 6: Final answer
    x = 8,774.26

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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.