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Finding the Fourth Proportional to 62,425.96, 93,638 and 20,307.96

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Solution

The fourth proportional to 62,425.96, 93,638 and 20,307.96 is: 30,461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,425.96 : 93,638 = 20,307.96 : x
  2. Step 2: Convert to fraction form
    62,425.96/93,638 = 20,307.96/x
  3. Step 3: Cross multiply
    62,425.96x = 93,638 × 20,307.96
  4. Step 4: Simplify right side
    62,425.96x = 1,901,596,758.48
  5. Step 5: Solve for x
    x = 1,901,596,758.48/62,425.96
  6. Step 6: Final answer
    x = 30,461.63

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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.