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Finding the Fourth Proportional to 70,679.32, 106,032.12 and 23,297.74

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Solution

The fourth proportional to 70,679.32, 106,032.12 and 23,297.74 is: 34,950.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,679.32 : 106,032.12 = 23,297.74 : x
  2. Step 2: Convert to fraction form
    70,679.32/106,032.12 = 23,297.74/x
  3. Step 3: Cross multiply
    70,679.32x = 106,032.12 × 23,297.74
  4. Step 4: Simplify right side
    70,679.32x = 2,470,308,763.41
  5. Step 5: Solve for x
    x = 2,470,308,763.41/70,679.32
  6. Step 6: Final answer
    x = 34,950.94

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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.