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Finding the Fourth Proportional to 70,575.44, 105,863.64 and 23,828.72

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Solution

The fourth proportional to 70,575.44, 105,863.64 and 23,828.72 is: 35,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,575.44 : 105,863.64 = 23,828.72 : x
  2. Step 2: Convert to fraction form
    70,575.44/105,863.64 = 23,828.72/x
  3. Step 3: Cross multiply
    70,575.44x = 105,863.64 × 23,828.72
  4. Step 4: Simplify right side
    70,575.44x = 2,522,595,035.74
  5. Step 5: Solve for x
    x = 2,522,595,035.74/70,575.44
  6. Step 6: Final answer
    x = 35,743.24

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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.