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Finding the Fourth Proportional to 66,550.71, 99,825.66 and 16,630.55

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Solution

The fourth proportional to 66,550.71, 99,825.66 and 16,630.55 is: 24,945.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,550.71 : 99,825.66 = 16,630.55 : x
  2. Step 2: Convert to fraction form
    66,550.71/99,825.66 = 16,630.55/x
  3. Step 3: Cross multiply
    66,550.71x = 99,825.66 × 16,630.55
  4. Step 4: Simplify right side
    66,550.71x = 1,660,155,629.91
  5. Step 5: Solve for x
    x = 1,660,155,629.91/66,550.71
  6. Step 6: Final answer
    x = 24,945.72

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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.