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Finding the Fourth Proportional to 62,011.52, 93,031.84 and 20,458.52

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Solution

The fourth proportional to 62,011.52, 93,031.84 and 20,458.52 is: 30,692.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,011.52 : 93,031.84 = 20,458.52 : x
  2. Step 2: Convert to fraction form
    62,011.52/93,031.84 = 20,458.52/x
  3. Step 3: Cross multiply
    62,011.52x = 93,031.84 × 20,458.52
  4. Step 4: Simplify right side
    62,011.52x = 1,903,293,759.28
  5. Step 5: Solve for x
    x = 1,903,293,759.28/62,011.52
  6. Step 6: Final answer
    x = 30,692.58

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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.