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Finding the Fourth Proportional to 61,762.56, 92,629.86 and 36,809.70

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Solution

The fourth proportional to 61,762.56, 92,629.86 and 36,809.70 is: 55,206.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,762.56 : 92,629.86 = 36,809.70 : x
  2. Step 2: Convert to fraction form
    61,762.56/92,629.86 = 36,809.70/x
  3. Step 3: Cross multiply
    61,762.56x = 92,629.86 × 36,809.70
  4. Step 4: Simplify right side
    61,762.56x = 3,409,677,357.64
  5. Step 5: Solve for x
    x = 3,409,677,357.64/61,762.56
  6. Step 6: Final answer
    x = 55,206.22

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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.