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Finding the Fourth Proportional to 55,766.88, 83,630.88 and 22,478.31

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Solution

The fourth proportional to 55,766.88, 83,630.88 and 22,478.31 is: 33,709.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,766.88 : 83,630.88 = 22,478.31 : x
  2. Step 2: Convert to fraction form
    55,766.88/83,630.88 = 22,478.31/x
  3. Step 3: Cross multiply
    55,766.88x = 83,630.88 × 22,478.31
  4. Step 4: Simplify right side
    55,766.88x = 1,879,880,846.21
  5. Step 5: Solve for x
    x = 1,879,880,846.21/55,766.88
  6. Step 6: Final answer
    x = 33,709.63

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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.