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Finding the Fourth Proportional to 67,287.66, 92,855.77 and 37,075.78

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Solution

The fourth proportional to 67,287.66, 92,855.77 and 37,075.78 is: 51,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,287.66 : 92,855.77 = 37,075.78 : x
  2. Step 2: Convert to fraction form
    67,287.66/92,855.77 = 37,075.78/x
  3. Step 3: Cross multiply
    67,287.66x = 92,855.77 × 37,075.78
  4. Step 4: Simplify right side
    67,287.66x = 3,442,699,601.32
  5. Step 5: Solve for x
    x = 3,442,699,601.32/67,287.66
  6. Step 6: Final answer
    x = 51,163.91

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1.5x scale

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.