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Finding the Fourth Proportional to 70,408.28, 105,610.57 and 23,661.14

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Solution

The fourth proportional to 70,408.28, 105,610.57 and 23,661.14 is: 35,491.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,408.28 : 105,610.57 = 23,661.14 : x
  2. Step 2: Convert to fraction form
    70,408.28/105,610.57 = 23,661.14/x
  3. Step 3: Cross multiply
    70,408.28x = 105,610.57 × 23,661.14
  4. Step 4: Simplify right side
    70,408.28x = 2,498,865,895.04
  5. Step 5: Solve for x
    x = 2,498,865,895.04/70,408.28
  6. Step 6: Final answer
    x = 35,491.08

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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.