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Finding the Fourth Proportional to 56,384.90, 84,358.65 and 36,701.90

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Solution

The fourth proportional to 56,384.90, 84,358.65 and 36,701.90 is: 54,910.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,384.90 : 84,358.65 = 36,701.90 : x
  2. Step 2: Convert to fraction form
    56,384.90/84,358.65 = 36,701.90/x
  3. Step 3: Cross multiply
    56,384.90x = 84,358.65 × 36,701.90
  4. Step 4: Simplify right side
    56,384.90x = 3,096,122,736.44
  5. Step 5: Solve for x
    x = 3,096,122,736.44/56,384.90
  6. Step 6: Final answer
    x = 54,910.49

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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.