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Finding the Fourth Proportional to 67,080.64, 92,555.04 and 37,272.64

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Solution

The fourth proportional to 67,080.64, 92,555.04 and 37,272.64 is: 51,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,080.64 : 92,555.04 = 37,272.64 : x
  2. Step 2: Convert to fraction form
    67,080.64/92,555.04 = 37,272.64/x
  3. Step 3: Cross multiply
    67,080.64x = 92,555.04 × 37,272.64
  4. Step 4: Simplify right side
    67,080.64x = 3,449,770,686.11
  5. Step 5: Solve for x
    x = 3,449,770,686.11/67,080.64
  6. Step 6: Final answer
    x = 51,427.22

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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.