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Finding the Fourth Proportional to 61,838.52, 85,337.19 and 34,980.46

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Solution

The fourth proportional to 61,838.52, 85,337.19 and 34,980.46 is: 48,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,838.52 : 85,337.19 = 34,980.46 : x
  2. Step 2: Convert to fraction form
    61,838.52/85,337.19 = 34,980.46/x
  3. Step 3: Cross multiply
    61,838.52x = 85,337.19 × 34,980.46
  4. Step 4: Simplify right side
    61,838.52x = 2,985,134,427.99
  5. Step 5: Solve for x
    x = 2,985,134,427.99/61,838.52
  6. Step 6: Final answer
    x = 48,273.06

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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.