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Finding the Fourth Proportional to 17,479.80, 26,210.39 and 8,114.99

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Solution

The fourth proportional to 17,479.80, 26,210.39 and 8,114.99 is: 12,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,479.80 : 26,210.39 = 8,114.99 : x
  2. Step 2: Convert to fraction form
    17,479.80/26,210.39 = 8,114.99/x
  3. Step 3: Cross multiply
    17,479.80x = 26,210.39 × 8,114.99
  4. Step 4: Simplify right side
    17,479.80x = 212,696,881.12
  5. Step 5: Solve for x
    x = 212,696,881.12/17,479.80
  6. Step 6: Final answer
    x = 12,168.15

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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.