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Finding the Fourth Proportional to 70,491.98, 105,754.89 and 23,110.58

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Solution

The fourth proportional to 70,491.98, 105,754.89 and 23,110.58 is: 34,671.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,491.98 : 105,754.89 = 23,110.58 : x
  2. Step 2: Convert to fraction form
    70,491.98/105,754.89 = 23,110.58/x
  3. Step 3: Cross multiply
    70,491.98x = 105,754.89 × 23,110.58
  4. Step 4: Simplify right side
    70,491.98x = 2,444,056,845.74
  5. Step 5: Solve for x
    x = 2,444,056,845.74/70,491.98
  6. Step 6: Final answer
    x = 34,671.42

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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.