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Finding the Fourth Proportional to 14,249.52, 19,664.57 and 8,279.01

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Solution

The fourth proportional to 14,249.52, 19,664.57 and 8,279.01 is: 11,425.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.52 : 19,664.57 = 8,279.01 : x
  2. Step 2: Convert to fraction form
    14,249.52/19,664.57 = 8,279.01/x
  3. Step 3: Cross multiply
    14,249.52x = 19,664.57 × 8,279.01
  4. Step 4: Simplify right side
    14,249.52x = 162,803,192.37
  5. Step 5: Solve for x
    x = 162,803,192.37/14,249.52
  6. Step 6: Final answer
    x = 11,425.17

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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.