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Finding the Fourth Proportional to 61,366.50, 92,050.87 and 19,245.64

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Solution

The fourth proportional to 61,366.50, 92,050.87 and 19,245.64 is: 28,868.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,366.50 : 92,050.87 = 19,245.64 : x
  2. Step 2: Convert to fraction form
    61,366.50/92,050.87 = 19,245.64/x
  3. Step 3: Cross multiply
    61,366.50x = 92,050.87 × 19,245.64
  4. Step 4: Simplify right side
    61,366.50x = 1,771,577,905.71
  5. Step 5: Solve for x
    x = 1,771,577,905.71/61,366.50
  6. Step 6: Final answer
    x = 28,868.81

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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.