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Finding the Fourth Proportional to 60,893.21, 91,337.76 and 21,449.30

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Solution

The fourth proportional to 60,893.21, 91,337.76 and 21,449.30 is: 32,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,893.21 : 91,337.76 = 21,449.30 : x
  2. Step 2: Convert to fraction form
    60,893.21/91,337.76 = 21,449.30/x
  3. Step 3: Cross multiply
    60,893.21x = 91,337.76 × 21,449.30
  4. Step 4: Simplify right side
    60,893.21x = 1,959,130,558.88
  5. Step 5: Solve for x
    x = 1,959,130,558.88/60,893.21
  6. Step 6: Final answer
    x = 32,173.22

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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.