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Finding the Fourth Proportional to 16,894.80, 23,315.04 and 9,341.04

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Solution

The fourth proportional to 16,894.80, 23,315.04 and 9,341.04 is: 12,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,894.80 : 23,315.04 = 9,341.04 : x
  2. Step 2: Convert to fraction form
    16,894.80/23,315.04 = 9,341.04/x
  3. Step 3: Cross multiply
    16,894.80x = 23,315.04 × 9,341.04
  4. Step 4: Simplify right side
    16,894.80x = 217,786,721.24
  5. Step 5: Solve for x
    x = 217,786,721.24/16,894.80
  6. Step 6: Final answer
    x = 12,890.75

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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.