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Finding the Fourth Proportional to 16,590.57, 22,894.98 and 9,138.57

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Solution

The fourth proportional to 16,590.57, 22,894.98 and 9,138.57 is: 12,611.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,590.57 : 22,894.98 = 9,138.57 : x
  2. Step 2: Convert to fraction form
    16,590.57/22,894.98 = 9,138.57/x
  3. Step 3: Cross multiply
    16,590.57x = 22,894.98 × 9,138.57
  4. Step 4: Simplify right side
    16,590.57x = 209,227,262.90
  5. Step 5: Solve for x
    x = 209,227,262.90/16,590.57
  6. Step 6: Final answer
    x = 12,611.22

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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.