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Finding the Fourth Proportional to 66,295.24, 99,432.99 and 21,922.23

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Solution

The fourth proportional to 66,295.24, 99,432.99 and 21,922.23 is: 32,880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,295.24 : 99,432.99 = 21,922.23 : x
  2. Step 2: Convert to fraction form
    66,295.24/99,432.99 = 21,922.23/x
  3. Step 3: Cross multiply
    66,295.24x = 99,432.99 × 21,922.23
  4. Step 4: Simplify right side
    66,295.24x = 2,179,792,503.49
  5. Step 5: Solve for x
    x = 2,179,792,503.49/66,295.24
  6. Step 6: Final answer
    x = 32,880.07

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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.