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Finding the Fourth Proportional to 61,364.15, 92,059.94 and 21,384.98

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Solution

The fourth proportional to 61,364.15, 92,059.94 and 21,384.98 is: 32,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,364.15 : 92,059.94 = 21,384.98 : x
  2. Step 2: Convert to fraction form
    61,364.15/92,059.94 = 21,384.98/x
  3. Step 3: Cross multiply
    61,364.15x = 92,059.94 × 21,384.98
  4. Step 4: Simplify right side
    61,364.15x = 1,968,699,914.09
  5. Step 5: Solve for x
    x = 1,968,699,914.09/61,364.15
  6. Step 6: Final answer
    x = 32,082.25

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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.