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Finding the Fourth Proportional to 70,603.60, 105,876.60 and 23,832.40

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Solution

The fourth proportional to 70,603.60, 105,876.60 and 23,832.40 is: 35,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,603.60 : 105,876.60 = 23,832.40 : x
  2. Step 2: Convert to fraction form
    70,603.60/105,876.60 = 23,832.40/x
  3. Step 3: Cross multiply
    70,603.60x = 105,876.60 × 23,832.40
  4. Step 4: Simplify right side
    70,603.60x = 2,523,293,481.84
  5. Step 5: Solve for x
    x = 2,523,293,481.84/70,603.60
  6. Step 6: Final answer
    x = 35,738.88

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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.