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Finding the Fourth Proportional to 8,900.58, 13,347.68 and 2,659.43

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Solution

The fourth proportional to 8,900.58, 13,347.68 and 2,659.43 is: 3,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.58 : 13,347.68 = 2,659.43 : x
  2. Step 2: Convert to fraction form
    8,900.58/13,347.68 = 2,659.43/x
  3. Step 3: Cross multiply
    8,900.58x = 13,347.68 × 2,659.43
  4. Step 4: Simplify right side
    8,900.58x = 35,497,165.61
  5. Step 5: Solve for x
    x = 35,497,165.61/8,900.58
  6. Step 6: Final answer
    x = 3,988.19

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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.