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Finding the Fourth Proportional to 16,888.92, 23,306 and 9,334.86

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Solution

The fourth proportional to 16,888.92, 23,306 and 9,334.86 is: 12,881.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,888.92 : 23,306 = 9,334.86 : x
  2. Step 2: Convert to fraction form
    16,888.92/23,306 = 9,334.86/x
  3. Step 3: Cross multiply
    16,888.92x = 23,306 × 9,334.86
  4. Step 4: Simplify right side
    16,888.92x = 217,558,247.16
  5. Step 5: Solve for x
    x = 217,558,247.16/16,888.92
  6. Step 6: Final answer
    x = 12,881.71

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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.