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Finding the Fourth Proportional to 16,908.88, 23,332.44 and 9,835.60

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Solution

The fourth proportional to 16,908.88, 23,332.44 and 9,835.60 is: 13,572.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.88 : 23,332.44 = 9,835.60 : x
  2. Step 2: Convert to fraction form
    16,908.88/23,332.44 = 9,835.60/x
  3. Step 3: Cross multiply
    16,908.88x = 23,332.44 × 9,835.60
  4. Step 4: Simplify right side
    16,908.88x = 229,488,546.86
  5. Step 5: Solve for x
    x = 229,488,546.86/16,908.88
  6. Step 6: Final answer
    x = 13,572.07

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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.