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Finding the Fourth Proportional to 67,142.25, 92,657.07 and 36,928.07

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Solution

The fourth proportional to 67,142.25, 92,657.07 and 36,928.07 is: 50,961.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,142.25 : 92,657.07 = 36,928.07 : x
  2. Step 2: Convert to fraction form
    67,142.25/92,657.07 = 36,928.07/x
  3. Step 3: Cross multiply
    67,142.25x = 92,657.07 × 36,928.07
  4. Step 4: Simplify right side
    67,142.25x = 3,421,646,754.99
  5. Step 5: Solve for x
    x = 3,421,646,754.99/67,142.25
  6. Step 6: Final answer
    x = 50,961.16

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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.