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Finding the Fourth Proportional to 75,377.72, 113,069.08 and 37,917.38

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Solution

The fourth proportional to 75,377.72, 113,069.08 and 37,917.38 is: 56,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,377.72 : 113,069.08 = 37,917.38 : x
  2. Step 2: Convert to fraction form
    75,377.72/113,069.08 = 37,917.38/x
  3. Step 3: Cross multiply
    75,377.72x = 113,069.08 × 37,917.38
  4. Step 4: Simplify right side
    75,377.72x = 4,287,283,602.68
  5. Step 5: Solve for x
    x = 4,287,283,602.68/75,377.72
  6. Step 6: Final answer
    x = 56,877.33

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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.