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Finding the Fourth Proportional to 21,859.00, 32,798.87 and 11,327.05

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Solution

The fourth proportional to 21,859.00, 32,798.87 and 11,327.05 is: 16,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,859.00 : 32,798.87 = 11,327.05 : x
  2. Step 2: Convert to fraction form
    21,859.00/32,798.87 = 11,327.05/x
  3. Step 3: Cross multiply
    21,859.00x = 32,798.87 × 11,327.05
  4. Step 4: Simplify right side
    21,859.00x = 371,514,467.27
  5. Step 5: Solve for x
    x = 371,514,467.27/21,859.00
  6. Step 6: Final answer
    x = 16,995.95

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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.