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Finding the Fourth Proportional to 66,414.70, 93,049.70 and 66,414.70

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Solution

The fourth proportional to 66,414.70, 93,049.70 and 66,414.70 is: 93,049.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,414.70 : 93,049.70 = 66,414.70 : x
  2. Step 2: Convert to fraction form
    66,414.70/93,049.70 = 66,414.70/x
  3. Step 3: Cross multiply
    66,414.70x = 93,049.70 × 66,414.70
  4. Step 4: Simplify right side
    66,414.70x = 6,179,867,910.59
  5. Step 5: Solve for x
    x = 6,179,867,910.59/66,414.70
  6. Step 6: Final answer
    x = 93,049.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.