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Finding the Fourth Proportional to 8,714.08, 13,087.94 and 7,467.50

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Solution

The fourth proportional to 8,714.08, 13,087.94 and 7,467.50 is: 11,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.08 : 13,087.94 = 7,467.50 : x
  2. Step 2: Convert to fraction form
    8,714.08/13,087.94 = 7,467.50/x
  3. Step 3: Cross multiply
    8,714.08x = 13,087.94 × 7,467.50
  4. Step 4: Simplify right side
    8,714.08x = 97,734,191.95
  5. Step 5: Solve for x
    x = 97,734,191.95/8,714.08
  6. Step 6: Final answer
    x = 11,215.66

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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.