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Finding the Fourth Proportional to 66,919.84, 92,349.84 and 37,113.76

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Solution

The fourth proportional to 66,919.84, 92,349.84 and 37,113.76 is: 51,217.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,919.84 : 92,349.84 = 37,113.76 : x
  2. Step 2: Convert to fraction form
    66,919.84/92,349.84 = 37,113.76/x
  3. Step 3: Cross multiply
    66,919.84x = 92,349.84 × 37,113.76
  4. Step 4: Simplify right side
    66,919.84x = 3,427,449,797.80
  5. Step 5: Solve for x
    x = 3,427,449,797.80/66,919.84
  6. Step 6: Final answer
    x = 51,217.24

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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.