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Finding the Fourth Proportional to 70,515.44, 105,773.52 and 23,768.72

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Solution

The fourth proportional to 70,515.44, 105,773.52 and 23,768.72 is: 35,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,515.44 : 105,773.52 = 23,768.72 : x
  2. Step 2: Convert to fraction form
    70,515.44/105,773.52 = 23,768.72/x
  3. Step 3: Cross multiply
    70,515.44x = 105,773.52 × 23,768.72
  4. Step 4: Simplify right side
    70,515.44x = 2,514,101,180.29
  5. Step 5: Solve for x
    x = 2,514,101,180.29/70,515.44
  6. Step 6: Final answer
    x = 35,653.20

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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.