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Finding the Fourth Proportional to 61,841.67, 85,343.37 and 34,983.63

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Solution

The fourth proportional to 61,841.67, 85,343.37 and 34,983.63 is: 48,278.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,841.67 : 85,343.37 = 34,983.63 : x
  2. Step 2: Convert to fraction form
    61,841.67/85,343.37 = 34,983.63/x
  3. Step 3: Cross multiply
    61,841.67x = 85,343.37 × 34,983.63
  4. Step 4: Simplify right side
    61,841.67x = 2,985,620,879.03
  5. Step 5: Solve for x
    x = 2,985,620,879.03/61,841.67
  6. Step 6: Final answer
    x = 48,278.46

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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.