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Finding the Fourth Proportional to 16,621.80, 22,937.74 and 9,068.14

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Solution

The fourth proportional to 16,621.80, 22,937.74 and 9,068.14 is: 12,513.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.80 : 22,937.74 = 9,068.14 : x
  2. Step 2: Convert to fraction form
    16,621.80/22,937.74 = 9,068.14/x
  3. Step 3: Cross multiply
    16,621.80x = 22,937.74 × 9,068.14
  4. Step 4: Simplify right side
    16,621.80x = 208,002,637.60
  5. Step 5: Solve for x
    x = 208,002,637.60/16,621.80
  6. Step 6: Final answer
    x = 12,513.85

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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.