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Finding the Fourth Proportional to 45,072.68, 67,913.30 and 37,347.12

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Solution

The fourth proportional to 45,072.68, 67,913.30 and 37,347.12 is: 56,272.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,072.68 : 67,913.30 = 37,347.12 : x
  2. Step 2: Convert to fraction form
    45,072.68/67,913.30 = 37,347.12/x
  3. Step 3: Cross multiply
    45,072.68x = 67,913.30 × 37,347.12
  4. Step 4: Simplify right side
    45,072.68x = 2,536,366,164.70
  5. Step 5: Solve for x
    x = 2,536,366,164.70/45,072.68
  6. Step 6: Final answer
    x = 56,272.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.