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Finding the Fourth Proportional to 17,894.92, 26,830.23 and 8,403.95

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Solution

The fourth proportional to 17,894.92, 26,830.23 and 8,403.95 is: 12,600.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,894.92 : 26,830.23 = 8,403.95 : x
  2. Step 2: Convert to fraction form
    17,894.92/26,830.23 = 8,403.95/x
  3. Step 3: Cross multiply
    17,894.92x = 26,830.23 × 8,403.95
  4. Step 4: Simplify right side
    17,894.92x = 225,479,877.87
  5. Step 5: Solve for x
    x = 225,479,877.87/17,894.92
  6. Step 6: Final answer
    x = 12,600.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.