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Finding the Fourth Proportional to 18,879.52, 26,053.36 and 10,495.84

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Solution

The fourth proportional to 18,879.52, 26,053.36 and 10,495.84 is: 14,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,879.52 : 26,053.36 = 10,495.84 : x
  2. Step 2: Convert to fraction form
    18,879.52/26,053.36 = 10,495.84/x
  3. Step 3: Cross multiply
    18,879.52x = 26,053.36 × 10,495.84
  4. Step 4: Simplify right side
    18,879.52x = 273,451,898.02
  5. Step 5: Solve for x
    x = 273,451,898.02/18,879.52
  6. Step 6: Final answer
    x = 14,484.05

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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.