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Finding the Fourth Proportional to 45,094.80, 67,653.80 and 26,390.64

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Solution

The fourth proportional to 45,094.80, 67,653.80 and 26,390.64 is: 39,592.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,094.80 : 67,653.80 = 26,390.64 : x
  2. Step 2: Convert to fraction form
    45,094.80/67,653.80 = 26,390.64/x
  3. Step 3: Cross multiply
    45,094.80x = 67,653.80 × 26,390.64
  4. Step 4: Simplify right side
    45,094.80x = 1,785,427,080.43
  5. Step 5: Solve for x
    x = 1,785,427,080.43/45,094.80
  6. Step 6: Final answer
    x = 39,592.75

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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.