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Finding the Fourth Proportional to 70,504.76, 105,690.72 and 23,724.92

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Solution

The fourth proportional to 70,504.76, 105,690.72 and 23,724.92 is: 35,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,504.76 : 105,690.72 = 23,724.92 : x
  2. Step 2: Convert to fraction form
    70,504.76/105,690.72 = 23,724.92/x
  3. Step 3: Cross multiply
    70,504.76x = 105,690.72 × 23,724.92
  4. Step 4: Simplify right side
    70,504.76x = 2,507,503,876.74
  5. Step 5: Solve for x
    x = 2,507,503,876.74/70,504.76
  6. Step 6: Final answer
    x = 35,565.03

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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.