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Finding the Fourth Proportional to 61,838.63, 85,337.33 and 34,980.56

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Solution

The fourth proportional to 61,838.63, 85,337.33 and 34,980.56 is: 48,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,838.63 : 85,337.33 = 34,980.56 : x
  2. Step 2: Convert to fraction form
    61,838.63/85,337.33 = 34,980.56/x
  3. Step 3: Cross multiply
    61,838.63x = 85,337.33 × 34,980.56
  4. Step 4: Simplify right side
    61,838.63x = 2,985,146,990.72
  5. Step 5: Solve for x
    x = 2,985,146,990.72/61,838.63
  6. Step 6: Final answer
    x = 48,273.18

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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.