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Finding the Fourth Proportional to 10,053.72, 15,027.72 and 8,726.88

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Solution

The fourth proportional to 10,053.72, 15,027.72 and 8,726.88 is: 13,044.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,053.72 : 15,027.72 = 8,726.88 : x
  2. Step 2: Convert to fraction form
    10,053.72/15,027.72 = 8,726.88/x
  3. Step 3: Cross multiply
    10,053.72x = 15,027.72 × 8,726.88
  4. Step 4: Simplify right side
    10,053.72x = 131,145,109.11
  5. Step 5: Solve for x
    x = 131,145,109.11/10,053.72
  6. Step 6: Final answer
    x = 13,044.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.