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Finding the Fourth Proportional to 53,163.58, 79,726.63 and 15,713.70

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Solution

The fourth proportional to 53,163.58, 79,726.63 and 15,713.70 is: 23,565.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,163.58 : 79,726.63 = 15,713.70 : x
  2. Step 2: Convert to fraction form
    53,163.58/79,726.63 = 15,713.70/x
  3. Step 3: Cross multiply
    53,163.58x = 79,726.63 × 15,713.70
  4. Step 4: Simplify right side
    53,163.58x = 1,252,800,345.83
  5. Step 5: Solve for x
    x = 1,252,800,345.83/53,163.58
  6. Step 6: Final answer
    x = 23,565.01

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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.