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Finding the Fourth Proportional to 65,630.97, 90,569.97 and 37,336.59

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Solution

The fourth proportional to 65,630.97, 90,569.97 and 37,336.59 is: 51,524.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,630.97 : 90,569.97 = 37,336.59 : x
  2. Step 2: Convert to fraction form
    65,630.97/90,569.97 = 37,336.59/x
  3. Step 3: Cross multiply
    65,630.97x = 90,569.97 × 37,336.59
  4. Step 4: Simplify right side
    65,630.97x = 3,381,573,836.20
  5. Step 5: Solve for x
    x = 3,381,573,836.20/65,630.97
  6. Step 6: Final answer
    x = 51,524.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.