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Finding the Fourth Proportional to 60,894.59, 91,339.82 and 21,450.67

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Solution

The fourth proportional to 60,894.59, 91,339.82 and 21,450.67 is: 32,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,894.59 : 91,339.82 = 21,450.67 : x
  2. Step 2: Convert to fraction form
    60,894.59/91,339.82 = 21,450.67/x
  3. Step 3: Cross multiply
    60,894.59x = 91,339.82 × 21,450.67
  4. Step 4: Simplify right side
    60,894.59x = 1,959,300,336.68
  5. Step 5: Solve for x
    x = 1,959,300,336.68/60,894.59
  6. Step 6: Final answer
    x = 32,175.28

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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.