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Finding the Fourth Proportional to 26,641.88, 39,962.46 and 7,667.00

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Solution

The fourth proportional to 26,641.88, 39,962.46 and 7,667.00 is: 11,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,641.88 : 39,962.46 = 7,667.00 : x
  2. Step 2: Convert to fraction form
    26,641.88/39,962.46 = 7,667.00/x
  3. Step 3: Cross multiply
    26,641.88x = 39,962.46 × 7,667.00
  4. Step 4: Simplify right side
    26,641.88x = 306,392,280.73
  5. Step 5: Solve for x
    x = 306,392,280.73/26,641.88
  6. Step 6: Final answer
    x = 11,500.40

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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.