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Finding the Fourth Proportional to 16,383.60, 22,610.95 and 9,310.07

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Solution

The fourth proportional to 16,383.60, 22,610.95 and 9,310.07 is: 12,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,383.60 : 22,610.95 = 9,310.07 : x
  2. Step 2: Convert to fraction form
    16,383.60/22,610.95 = 9,310.07/x
  3. Step 3: Cross multiply
    16,383.60x = 22,610.95 × 9,310.07
  4. Step 4: Simplify right side
    16,383.60x = 210,509,560.52
  5. Step 5: Solve for x
    x = 210,509,560.52/16,383.60
  6. Step 6: Final answer
    x = 12,848.80

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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.