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Finding the Fourth Proportional to 61,753.98, 85,219.36 and 34,895.91

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Solution

The fourth proportional to 61,753.98, 85,219.36 and 34,895.91 is: 48,155.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,753.98 : 85,219.36 = 34,895.91 : x
  2. Step 2: Convert to fraction form
    61,753.98/85,219.36 = 34,895.91/x
  3. Step 3: Cross multiply
    61,753.98x = 85,219.36 × 34,895.91
  4. Step 4: Simplify right side
    61,753.98x = 2,973,807,116.82
  5. Step 5: Solve for x
    x = 2,973,807,116.82/61,753.98
  6. Step 6: Final answer
    x = 48,155.72

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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.