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Finding the Fourth Proportional to 61,803.01, 85,282.90 and 34,941.79

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Solution

The fourth proportional to 61,803.01, 85,282.90 and 34,941.79 is: 48,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,803.01 : 85,282.90 = 34,941.79 : x
  2. Step 2: Convert to fraction form
    61,803.01/85,282.90 = 34,941.79/x
  3. Step 3: Cross multiply
    61,803.01x = 85,282.90 × 34,941.79
  4. Step 4: Simplify right side
    61,803.01x = 2,979,937,182.39
  5. Step 5: Solve for x
    x = 2,979,937,182.39/61,803.01
  6. Step 6: Final answer
    x = 48,216.70

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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.