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Finding the Fourth Proportional to 61,819.96, 85,311.12 and 33,525.63

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Solution

The fourth proportional to 61,819.96, 85,311.12 and 33,525.63 is: 46,265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,819.96 : 85,311.12 = 33,525.63 : x
  2. Step 2: Convert to fraction form
    61,819.96/85,311.12 = 33,525.63/x
  3. Step 3: Cross multiply
    61,819.96x = 85,311.12 × 33,525.63
  4. Step 4: Simplify right side
    61,819.96x = 2,860,109,044.01
  5. Step 5: Solve for x
    x = 2,860,109,044.01/61,819.96
  6. Step 6: Final answer
    x = 46,265.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.