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Finding the Fourth Proportional to 66,855.88, 92,261.10 and 37,047.88

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Solution

The fourth proportional to 66,855.88, 92,261.10 and 37,047.88 is: 51,126.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,855.88 : 92,261.10 = 37,047.88 : x
  2. Step 2: Convert to fraction form
    66,855.88/92,261.10 = 37,047.88/x
  3. Step 3: Cross multiply
    66,855.88x = 92,261.10 × 37,047.88
  4. Step 4: Simplify right side
    66,855.88x = 3,418,078,161.47
  5. Step 5: Solve for x
    x = 3,418,078,161.47/66,855.88
  6. Step 6: Final answer
    x = 51,126.07

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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.