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Finding the Fourth Proportional to 70,679.83, 106,032.87 and 23,298.24

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Solution

The fourth proportional to 70,679.83, 106,032.87 and 23,298.24 is: 34,951.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,679.83 : 106,032.87 = 23,298.24 : x
  2. Step 2: Convert to fraction form
    70,679.83/106,032.87 = 23,298.24/x
  3. Step 3: Cross multiply
    70,679.83x = 106,032.87 × 23,298.24
  4. Step 4: Simplify right side
    70,679.83x = 2,470,379,253.15
  5. Step 5: Solve for x
    x = 2,470,379,253.15/70,679.83
  6. Step 6: Final answer
    x = 34,951.69

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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.