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Finding the Fourth Proportional to 18,152.80, 25,044.84 and 10,193.92

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Solution

The fourth proportional to 18,152.80, 25,044.84 and 10,193.92 is: 14,064.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.80 : 25,044.84 = 10,193.92 : x
  2. Step 2: Convert to fraction form
    18,152.80/25,044.84 = 10,193.92/x
  3. Step 3: Cross multiply
    18,152.80x = 25,044.84 × 10,193.92
  4. Step 4: Simplify right side
    18,152.80x = 255,305,095.37
  5. Step 5: Solve for x
    x = 255,305,095.37/18,152.80
  6. Step 6: Final answer
    x = 14,064.23

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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.