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Finding the Fourth Proportional to 22,468.35, 31,006.92 and 12,396.93

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Solution

The fourth proportional to 22,468.35, 31,006.92 and 12,396.93 is: 17,108.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,468.35 : 31,006.92 = 12,396.93 : x
  2. Step 2: Convert to fraction form
    22,468.35/31,006.92 = 12,396.93/x
  3. Step 3: Cross multiply
    22,468.35x = 31,006.92 × 12,396.93
  4. Step 4: Simplify right side
    22,468.35x = 384,390,616.76
  5. Step 5: Solve for x
    x = 384,390,616.76/22,468.35
  6. Step 6: Final answer
    x = 17,108.09

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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.