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Finding the Fourth Proportional to 67,075.52, 92,525.66 and 41,881.28

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Solution

The fourth proportional to 67,075.52, 92,525.66 and 41,881.28 is: 57,772.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,075.52 : 92,525.66 = 41,881.28 : x
  2. Step 2: Convert to fraction form
    67,075.52/92,525.66 = 41,881.28/x
  3. Step 3: Cross multiply
    67,075.52x = 92,525.66 × 41,881.28
  4. Step 4: Simplify right side
    67,075.52x = 3,875,092,715.72
  5. Step 5: Solve for x
    x = 3,875,092,715.72/67,075.52
  6. Step 6: Final answer
    x = 57,772.09

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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.