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Finding the Fourth Proportional to 58,570.74, 87,855.32 and 14,197.88

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Solution

The fourth proportional to 58,570.74, 87,855.32 and 14,197.88 is: 21,296.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,570.74 : 87,855.32 = 14,197.88 : x
  2. Step 2: Convert to fraction form
    58,570.74/87,855.32 = 14,197.88/x
  3. Step 3: Cross multiply
    58,570.74x = 87,855.32 × 14,197.88
  4. Step 4: Simplify right side
    58,570.74x = 1,247,359,290.72
  5. Step 5: Solve for x
    x = 1,247,359,290.72/58,570.74
  6. Step 6: Final answer
    x = 21,296.63

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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.