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Finding the Fourth Proportional to 66,692.16, 92,063.52 and 41,554.08

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Solution

The fourth proportional to 66,692.16, 92,063.52 and 41,554.08 is: 57,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,692.16 : 92,063.52 = 41,554.08 : x
  2. Step 2: Convert to fraction form
    66,692.16/92,063.52 = 41,554.08/x
  3. Step 3: Cross multiply
    66,692.16x = 92,063.52 × 41,554.08
  4. Step 4: Simplify right side
    66,692.16x = 3,825,614,875.16
  5. Step 5: Solve for x
    x = 3,825,614,875.16/66,692.16
  6. Step 6: Final answer
    x = 57,362.29

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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.