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Finding the Fourth Proportional to 16,602.12, 22,910.62 and 9,048.50

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Solution

The fourth proportional to 16,602.12, 22,910.62 and 9,048.50 is: 12,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,602.12 : 22,910.62 = 9,048.50 : x
  2. Step 2: Convert to fraction form
    16,602.12/22,910.62 = 9,048.50/x
  3. Step 3: Cross multiply
    16,602.12x = 22,910.62 × 9,048.50
  4. Step 4: Simplify right side
    16,602.12x = 207,306,745.07
  5. Step 5: Solve for x
    x = 207,306,745.07/16,602.12
  6. Step 6: Final answer
    x = 12,486.76

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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.