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Finding the Fourth Proportional to 18,884.38, 26,060.52 and 10,500.88

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Solution

The fourth proportional to 18,884.38, 26,060.52 and 10,500.88 is: 14,491.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884.38 : 26,060.52 = 10,500.88 : x
  2. Step 2: Convert to fraction form
    18,884.38/26,060.52 = 10,500.88/x
  3. Step 3: Cross multiply
    18,884.38x = 26,060.52 × 10,500.88
  4. Step 4: Simplify right side
    18,884.38x = 273,658,393.26
  5. Step 5: Solve for x
    x = 273,658,393.26/18,884.38
  6. Step 6: Final answer
    x = 14,491.26

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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.