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Finding the Fourth Proportional to 36,985.31, 51,384.05 and 36,542.44

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Solution

The fourth proportional to 36,985.31, 51,384.05 and 36,542.44 is: 50,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,985.31 : 51,384.05 = 36,542.44 : x
  2. Step 2: Convert to fraction form
    36,985.31/51,384.05 = 36,542.44/x
  3. Step 3: Cross multiply
    36,985.31x = 51,384.05 × 36,542.44
  4. Step 4: Simplify right side
    36,985.31x = 1,877,698,479.86
  5. Step 5: Solve for x
    x = 1,877,698,479.86/36,985.31
  6. Step 6: Final answer
    x = 50,768.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.