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Finding the Fourth Proportional to 61,617.96, 85,036.73 and 34,750.67

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Solution

The fourth proportional to 61,617.96, 85,036.73 and 34,750.67 is: 47,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,617.96 : 85,036.73 = 34,750.67 : x
  2. Step 2: Convert to fraction form
    61,617.96/85,036.73 = 34,750.67/x
  3. Step 3: Cross multiply
    61,617.96x = 85,036.73 × 34,750.67
  4. Step 4: Simplify right side
    61,617.96x = 2,955,083,062.06
  5. Step 5: Solve for x
    x = 2,955,083,062.06/61,617.96
  6. Step 6: Final answer
    x = 47,958.14

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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.