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Finding the Fourth Proportional to 17,483.16, 26,210.51 and 8,129.07

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Solution

The fourth proportional to 17,483.16, 26,210.51 and 8,129.07 is: 12,186.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,483.16 : 26,210.51 = 8,129.07 : x
  2. Step 2: Convert to fraction form
    17,483.16/26,210.51 = 8,129.07/x
  3. Step 3: Cross multiply
    17,483.16x = 26,210.51 × 8,129.07
  4. Step 4: Simplify right side
    17,483.16x = 213,067,029.88
  5. Step 5: Solve for x
    x = 213,067,029.88/17,483.16
  6. Step 6: Final answer
    x = 12,186.99

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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.