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Finding the Fourth Proportional to 56,942.70, 85,414.05 and 41,196.30

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Solution

The fourth proportional to 56,942.70, 85,414.05 and 41,196.30 is: 61,794.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,942.70 : 85,414.05 = 41,196.30 : x
  2. Step 2: Convert to fraction form
    56,942.70/85,414.05 = 41,196.30/x
  3. Step 3: Cross multiply
    56,942.70x = 85,414.05 × 41,196.30
  4. Step 4: Simplify right side
    56,942.70x = 3,518,742,828.02
  5. Step 5: Solve for x
    x = 3,518,742,828.02/56,942.70
  6. Step 6: Final answer
    x = 61,794.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.