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Finding the Fourth Proportional to 66,922.84, 92,353.98 and 37,116.76

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Solution

The fourth proportional to 66,922.84, 92,353.98 and 37,116.76 is: 51,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,922.84 : 92,353.98 = 37,116.76 : x
  2. Step 2: Convert to fraction form
    66,922.84/92,353.98 = 37,116.76/x
  3. Step 3: Cross multiply
    66,922.84x = 92,353.98 × 37,116.76
  4. Step 4: Simplify right side
    66,922.84x = 3,427,880,510.70
  5. Step 5: Solve for x
    x = 3,427,880,510.70/66,922.84
  6. Step 6: Final answer
    x = 51,221.38

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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.