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Finding the Fourth Proportional to 8,844.90, 13,267.50 and 7,081.74

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Solution

The fourth proportional to 8,844.90, 13,267.50 and 7,081.74 is: 10,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,844.90 : 13,267.50 = 7,081.74 : x
  2. Step 2: Convert to fraction form
    8,844.90/13,267.50 = 7,081.74/x
  3. Step 3: Cross multiply
    8,844.90x = 13,267.50 × 7,081.74
  4. Step 4: Simplify right side
    8,844.90x = 93,956,985.45
  5. Step 5: Solve for x
    x = 93,956,985.45/8,844.90
  6. Step 6: Final answer
    x = 10,622.73

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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.