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Finding the Fourth Proportional to 66,967.75, 92,415.51 and 37,159.75

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Solution

The fourth proportional to 66,967.75, 92,415.51 and 37,159.75 is: 51,280.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,967.75 : 92,415.51 = 37,159.75 : x
  2. Step 2: Convert to fraction form
    66,967.75/92,415.51 = 37,159.75/x
  3. Step 3: Cross multiply
    66,967.75x = 92,415.51 × 37,159.75
  4. Step 4: Simplify right side
    66,967.75x = 3,434,137,247.72
  5. Step 5: Solve for x
    x = 3,434,137,247.72/66,967.75
  6. Step 6: Final answer
    x = 51,280.46

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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.