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Finding the Fourth Proportional to 6,714.22, 9,264.99 and 6,218.86

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Solution

The fourth proportional to 6,714.22, 9,264.99 and 6,218.86 is: 8,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,714.22 : 9,264.99 = 6,218.86 : x
  2. Step 2: Convert to fraction form
    6,714.22/9,264.99 = 6,218.86/x
  3. Step 3: Cross multiply
    6,714.22x = 9,264.99 × 6,218.86
  4. Step 4: Simplify right side
    6,714.22x = 57,617,675.71
  5. Step 5: Solve for x
    x = 57,617,675.71/6,714.22
  6. Step 6: Final answer
    x = 8,581.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.