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Finding the Fourth Proportional to 58,573.70, 87,729.30 and 35,151.74

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Solution

The fourth proportional to 58,573.70, 87,729.30 and 35,151.74 is: 52,648.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,573.70 : 87,729.30 = 35,151.74 : x
  2. Step 2: Convert to fraction form
    58,573.70/87,729.30 = 35,151.74/x
  3. Step 3: Cross multiply
    58,573.70x = 87,729.30 × 35,151.74
  4. Step 4: Simplify right side
    58,573.70x = 3,083,837,543.98
  5. Step 5: Solve for x
    x = 3,083,837,543.98/58,573.70
  6. Step 6: Final answer
    x = 52,648.84

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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.