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Finding the Fourth Proportional to 66,884.94, 100,332.88 and 33,587.87

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Solution

The fourth proportional to 66,884.94, 100,332.88 and 33,587.87 is: 50,384.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,884.94 : 100,332.88 = 33,587.87 : x
  2. Step 2: Convert to fraction form
    66,884.94/100,332.88 = 33,587.87/x
  3. Step 3: Cross multiply
    66,884.94x = 100,332.88 × 33,587.87
  4. Step 4: Simplify right side
    66,884.94x = 3,369,967,144.53
  5. Step 5: Solve for x
    x = 3,369,967,144.53/66,884.94
  6. Step 6: Final answer
    x = 50,384.54

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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.