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Finding the Fourth Proportional to 60,893.59, 91,338.32 and 21,449.67

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Solution

The fourth proportional to 60,893.59, 91,338.32 and 21,449.67 is: 32,173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,893.59 : 91,338.32 = 21,449.67 : x
  2. Step 2: Convert to fraction form
    60,893.59/91,338.32 = 21,449.67/x
  3. Step 3: Cross multiply
    60,893.59x = 91,338.32 × 21,449.67
  4. Step 4: Simplify right side
    60,893.59x = 1,959,176,875.98
  5. Step 5: Solve for x
    x = 1,959,176,875.98/60,893.59
  6. Step 6: Final answer
    x = 32,173.78

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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.