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Finding the Fourth Proportional to 25,814.70, 38,726.09 and 11,023.70

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Solution

The fourth proportional to 25,814.70, 38,726.09 and 11,023.70 is: 16,537.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,814.70 : 38,726.09 = 11,023.70 : x
  2. Step 2: Convert to fraction form
    25,814.70/38,726.09 = 11,023.70/x
  3. Step 3: Cross multiply
    25,814.70x = 38,726.09 × 11,023.70
  4. Step 4: Simplify right side
    25,814.70x = 426,904,549.58
  5. Step 5: Solve for x
    x = 426,904,549.58/25,814.70
  6. Step 6: Final answer
    x = 16,537.27

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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.