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Finding the Fourth Proportional to 37,772.64, 56,615.04 and 33,398.64

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Solution

The fourth proportional to 37,772.64, 56,615.04 and 33,398.64 is: 50,059.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,772.64 : 56,615.04 = 33,398.64 : x
  2. Step 2: Convert to fraction form
    37,772.64/56,615.04 = 33,398.64/x
  3. Step 3: Cross multiply
    37,772.64x = 56,615.04 × 33,398.64
  4. Step 4: Simplify right side
    37,772.64x = 1,890,865,339.55
  5. Step 5: Solve for x
    x = 1,890,865,339.55/37,772.64
  6. Step 6: Final answer
    x = 50,059.13

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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.