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Finding the Fourth Proportional to 61,216.86, 91,814.54 and 16,832.91

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Solution

The fourth proportional to 61,216.86, 91,814.54 and 16,832.91 is: 25,246.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,216.86 : 91,814.54 = 16,832.91 : x
  2. Step 2: Convert to fraction form
    61,216.86/91,814.54 = 16,832.91/x
  3. Step 3: Cross multiply
    61,216.86x = 91,814.54 × 16,832.91
  4. Step 4: Simplify right side
    61,216.86x = 1,545,505,804.35
  5. Step 5: Solve for x
    x = 1,545,505,804.35/61,216.86
  6. Step 6: Final answer
    x = 25,246.41

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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.