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Finding the Fourth Proportional to 8,037.10, 12,027.30 and 7,008.40

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Solution

The fourth proportional to 8,037.10, 12,027.30 and 7,008.40 is: 10,487.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,037.10 : 12,027.30 = 7,008.40 : x
  2. Step 2: Convert to fraction form
    8,037.10/12,027.30 = 7,008.40/x
  3. Step 3: Cross multiply
    8,037.10x = 12,027.30 × 7,008.40
  4. Step 4: Simplify right side
    8,037.10x = 84,292,129.32
  5. Step 5: Solve for x
    x = 84,292,129.32/8,037.10
  6. Step 6: Final answer
    x = 10,487.88

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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.