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Finding the Fourth Proportional to 61,858.92, 85,365.30 and 35,000.82

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Solution

The fourth proportional to 61,858.92, 85,365.30 and 35,000.82 is: 48,301.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,858.92 : 85,365.30 = 35,000.82 : x
  2. Step 2: Convert to fraction form
    61,858.92/85,365.30 = 35,000.82/x
  3. Step 3: Cross multiply
    61,858.92x = 85,365.30 × 35,000.82
  4. Step 4: Simplify right side
    61,858.92x = 2,987,855,499.55
  5. Step 5: Solve for x
    x = 2,987,855,499.55/61,858.92
  6. Step 6: Final answer
    x = 48,301.13

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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.