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Finding the Fourth Proportional to 52,615.52, 78,922.70 and 15,174.37

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Solution

The fourth proportional to 52,615.52, 78,922.70 and 15,174.37 is: 22,761.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,615.52 : 78,922.70 = 15,174.37 : x
  2. Step 2: Convert to fraction form
    52,615.52/78,922.70 = 15,174.37/x
  3. Step 3: Cross multiply
    52,615.52x = 78,922.70 × 15,174.37
  4. Step 4: Simplify right side
    52,615.52x = 1,197,602,175.33
  5. Step 5: Solve for x
    x = 1,197,602,175.33/52,615.52
  6. Step 6: Final answer
    x = 22,761.39

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1.5x scale

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.