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Finding the Fourth Proportional to 16,603.58, 22,911.03 and 9,887.87

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Solution

The fourth proportional to 16,603.58, 22,911.03 and 9,887.87 is: 13,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,603.58 : 22,911.03 = 9,887.87 : x
  2. Step 2: Convert to fraction form
    16,603.58/22,911.03 = 9,887.87/x
  3. Step 3: Cross multiply
    16,603.58x = 22,911.03 × 9,887.87
  4. Step 4: Simplify right side
    16,603.58x = 226,541,171.65
  5. Step 5: Solve for x
    x = 226,541,171.65/16,603.58
  6. Step 6: Final answer
    x = 13,644.12

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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.