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Finding the Fourth Proportional to 16,689.77, 23,024.09 and 9,612.09

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Solution

The fourth proportional to 16,689.77, 23,024.09 and 9,612.09 is: 13,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,689.77 : 23,024.09 = 9,612.09 : x
  2. Step 2: Convert to fraction form
    16,689.77/23,024.09 = 9,612.09/x
  3. Step 3: Cross multiply
    16,689.77x = 23,024.09 × 9,612.09
  4. Step 4: Simplify right side
    16,689.77x = 221,309,577.19
  5. Step 5: Solve for x
    x = 221,309,577.19/16,689.77
  6. Step 6: Final answer
    x = 13,260.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.