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Finding the Fourth Proportional to 70,483.40, 105,724.38 and 23,735.96

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Solution

The fourth proportional to 70,483.40, 105,724.38 and 23,735.96 is: 35,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,483.40 : 105,724.38 = 23,735.96 : x
  2. Step 2: Convert to fraction form
    70,483.40/105,724.38 = 23,735.96/x
  3. Step 3: Cross multiply
    70,483.40x = 105,724.38 × 23,735.96
  4. Step 4: Simplify right side
    70,483.40x = 2,509,469,654.70
  5. Step 5: Solve for x
    x = 2,509,469,654.70/70,483.40
  6. Step 6: Final answer
    x = 35,603.70

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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.