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Finding the Fourth Proportional to 46,874.88, 70,230.29 and 39,027.80

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Solution

The fourth proportional to 46,874.88, 70,230.29 and 39,027.80 is: 58,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,874.88 : 70,230.29 = 39,027.80 : x
  2. Step 2: Convert to fraction form
    46,874.88/70,230.29 = 39,027.80/x
  3. Step 3: Cross multiply
    46,874.88x = 70,230.29 × 39,027.80
  4. Step 4: Simplify right side
    46,874.88x = 2,740,933,714.51
  5. Step 5: Solve for x
    x = 2,740,933,714.51/46,874.88
  6. Step 6: Final answer
    x = 58,473.41

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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.