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Finding the Fourth Proportional to 16,603.31, 22,909.93 and 9,333.96

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Solution

The fourth proportional to 16,603.31, 22,909.93 and 9,333.96 is: 12,879.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,603.31 : 22,909.93 = 9,333.96 : x
  2. Step 2: Convert to fraction form
    16,603.31/22,909.93 = 9,333.96/x
  3. Step 3: Cross multiply
    16,603.31x = 22,909.93 × 9,333.96
  4. Step 4: Simplify right side
    16,603.31x = 213,840,346.89
  5. Step 5: Solve for x
    x = 213,840,346.89/16,603.31
  6. Step 6: Final answer
    x = 12,879.38

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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.