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Finding the Fourth Proportional to 8,210.52, 12,315.78 and 2,367.59

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Solution

The fourth proportional to 8,210.52, 12,315.78 and 2,367.59 is: 3,551.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.52 : 12,315.78 = 2,367.59 : x
  2. Step 2: Convert to fraction form
    8,210.52/12,315.78 = 2,367.59/x
  3. Step 3: Cross multiply
    8,210.52x = 12,315.78 × 2,367.59
  4. Step 4: Simplify right side
    8,210.52x = 29,158,655.99
  5. Step 5: Solve for x
    x = 29,158,655.99/8,210.52
  6. Step 6: Final answer
    x = 3,551.38

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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.