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Finding the Fourth Proportional to 61,750.83, 85,215.03 and 34,892.77

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Solution

The fourth proportional to 61,750.83, 85,215.03 and 34,892.77 is: 48,151.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,750.83 : 85,215.03 = 34,892.77 : x
  2. Step 2: Convert to fraction form
    61,750.83/85,215.03 = 34,892.77/x
  3. Step 3: Cross multiply
    61,750.83x = 85,215.03 × 34,892.77
  4. Step 4: Simplify right side
    61,750.83x = 2,973,388,267.87
  5. Step 5: Solve for x
    x = 2,973,388,267.87/61,750.83
  6. Step 6: Final answer
    x = 48,151.39

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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.