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Finding the Fourth Proportional to 8,837.64, 13,253.63 and 8,255.25

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Solution

The fourth proportional to 8,837.64, 13,253.63 and 8,255.25 is: 12,380.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.64 : 13,253.63 = 8,255.25 : x
  2. Step 2: Convert to fraction form
    8,837.64/13,253.63 = 8,255.25/x
  3. Step 3: Cross multiply
    8,837.64x = 13,253.63 × 8,255.25
  4. Step 4: Simplify right side
    8,837.64x = 109,411,987.78
  5. Step 5: Solve for x
    x = 109,411,987.78/8,837.64
  6. Step 6: Final answer
    x = 12,380.23

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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.