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Finding the Fourth Proportional to 8,855.70, 13,275.24 and 3,008.22

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Solution

The fourth proportional to 8,855.70, 13,275.24 and 3,008.22 is: 4,509.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.70 : 13,275.24 = 3,008.22 : x
  2. Step 2: Convert to fraction form
    8,855.70/13,275.24 = 3,008.22/x
  3. Step 3: Cross multiply
    8,855.70x = 13,275.24 × 3,008.22
  4. Step 4: Simplify right side
    8,855.70x = 39,934,842.47
  5. Step 5: Solve for x
    x = 39,934,842.47/8,855.70
  6. Step 6: Final answer
    x = 4,509.51

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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.