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Finding the Fourth Proportional to 16,660.08, 22,987.80 and 10,368

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Solution

The fourth proportional to 16,660.08, 22,987.80 and 10,368 is: 14,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.08 : 22,987.80 = 10,368 : x
  2. Step 2: Convert to fraction form
    16,660.08/22,987.80 = 10,368/x
  3. Step 3: Cross multiply
    16,660.08x = 22,987.80 × 10,368
  4. Step 4: Simplify right side
    16,660.08x = 238,337,510.40
  5. Step 5: Solve for x
    x = 238,337,510.40/16,660.08
  6. Step 6: Final answer
    x = 14,305.90

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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.