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Finding the Fourth Proportional to 60,873.36, 91,336.44 and 21,458.64

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Solution

The fourth proportional to 60,873.36, 91,336.44 and 21,458.64 is: 32,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,873.36 : 91,336.44 = 21,458.64 : x
  2. Step 2: Convert to fraction form
    60,873.36/91,336.44 = 21,458.64/x
  3. Step 3: Cross multiply
    60,873.36x = 91,336.44 × 21,458.64
  4. Step 4: Simplify right side
    60,873.36x = 1,959,955,784.84
  5. Step 5: Solve for x
    x = 1,959,955,784.84/60,873.36
  6. Step 6: Final answer
    x = 32,197.27

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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.