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Finding the Fourth Proportional to 8,810.48, 13,215.72 and 2,654.48

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Solution

The fourth proportional to 8,810.48, 13,215.72 and 2,654.48 is: 3,981.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.48 : 13,215.72 = 2,654.48 : x
  2. Step 2: Convert to fraction form
    8,810.48/13,215.72 = 2,654.48/x
  3. Step 3: Cross multiply
    8,810.48x = 13,215.72 × 2,654.48
  4. Step 4: Simplify right side
    8,810.48x = 35,080,864.43
  5. Step 5: Solve for x
    x = 35,080,864.43/8,810.48
  6. Step 6: Final answer
    x = 3,981.72

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Similar ratio
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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.