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Finding the Fourth Proportional to 8,855.88, 13,275.62 and 3,008.39

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Solution

The fourth proportional to 8,855.88, 13,275.62 and 3,008.39 is: 4,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.88 : 13,275.62 = 3,008.39 : x
  2. Step 2: Convert to fraction form
    8,855.88/13,275.62 = 3,008.39/x
  3. Step 3: Cross multiply
    8,855.88x = 13,275.62 × 3,008.39
  4. Step 4: Simplify right side
    8,855.88x = 39,938,161.03
  5. Step 5: Solve for x
    x = 39,938,161.03/8,855.88
  6. Step 6: Final answer
    x = 4,509.79

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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.