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Finding the Fourth Proportional to 16,455.13, 22,708.07 and 9,003.13

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Solution

The fourth proportional to 16,455.13, 22,708.07 and 9,003.13 is: 12,424.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.13 : 22,708.07 = 9,003.13 : x
  2. Step 2: Convert to fraction form
    16,455.13/22,708.07 = 9,003.13/x
  3. Step 3: Cross multiply
    16,455.13x = 22,708.07 × 9,003.13
  4. Step 4: Simplify right side
    16,455.13x = 204,443,706.26
  5. Step 5: Solve for x
    x = 204,443,706.26/16,455.13
  6. Step 6: Final answer
    x = 12,424.31

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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.