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Finding the Fourth Proportional to 61,663.76, 92,346.60 and 35,288.56

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Solution

The fourth proportional to 61,663.76, 92,346.60 and 35,288.56 is: 52,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,663.76 : 92,346.60 = 35,288.56 : x
  2. Step 2: Convert to fraction form
    61,663.76/92,346.60 = 35,288.56/x
  3. Step 3: Cross multiply
    61,663.76x = 92,346.60 × 35,288.56
  4. Step 4: Simplify right side
    61,663.76x = 3,258,778,534.90
  5. Step 5: Solve for x
    x = 3,258,778,534.90/61,663.76
  6. Step 6: Final answer
    x = 52,847.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.