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Finding the Fourth Proportional to 61,964.42, 85,510.98 and 35,108.74

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Solution

The fourth proportional to 61,964.42, 85,510.98 and 35,108.74 is: 48,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,964.42 : 85,510.98 = 35,108.74 : x
  2. Step 2: Convert to fraction form
    61,964.42/85,510.98 = 35,108.74/x
  3. Step 3: Cross multiply
    61,964.42x = 85,510.98 × 35,108.74
  4. Step 4: Simplify right side
    61,964.42x = 3,002,182,969.60
  5. Step 5: Solve for x
    x = 3,002,182,969.60/61,964.42
  6. Step 6: Final answer
    x = 48,450.11

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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.