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Finding the Fourth Proportional to 8,015.37, 12,023.06 and 5,259.48

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Solution

The fourth proportional to 8,015.37, 12,023.06 and 5,259.48 is: 7,889.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.37 : 12,023.06 = 5,259.48 : x
  2. Step 2: Convert to fraction form
    8,015.37/12,023.06 = 5,259.48/x
  3. Step 3: Cross multiply
    8,015.37x = 12,023.06 × 5,259.48
  4. Step 4: Simplify right side
    8,015.37x = 63,235,017.31
  5. Step 5: Solve for x
    x = 63,235,017.31/8,015.37
  6. Step 6: Final answer
    x = 7,889.22

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Double scale
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Similar ratio
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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.