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Finding the Fourth Proportional to 61,890.73, 85,411.25 and 35,032.67

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Solution

The fourth proportional to 61,890.73, 85,411.25 and 35,032.67 is: 48,346.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,890.73 : 85,411.25 = 35,032.67 : x
  2. Step 2: Convert to fraction form
    61,890.73/85,411.25 = 35,032.67/x
  3. Step 3: Cross multiply
    61,890.73x = 85,411.25 × 35,032.67
  4. Step 4: Simplify right side
    61,890.73x = 2,992,183,533.32
  5. Step 5: Solve for x
    x = 2,992,183,533.32/61,890.73
  6. Step 6: Final answer
    x = 48,346.23

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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.