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Finding the Fourth Proportional to 70,565.88, 105,826.94 and 23,807.82

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Solution

The fourth proportional to 70,565.88, 105,826.94 and 23,807.82 is: 35,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,565.88 : 105,826.94 = 23,807.82 : x
  2. Step 2: Convert to fraction form
    70,565.88/105,826.94 = 23,807.82/x
  3. Step 3: Cross multiply
    70,565.88x = 105,826.94 × 23,807.82
  4. Step 4: Simplify right side
    70,565.88x = 2,519,508,738.67
  5. Step 5: Solve for x
    x = 2,519,508,738.67/70,565.88
  6. Step 6: Final answer
    x = 35,704.35

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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.