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Finding the Fourth Proportional to 62,125.61, 93,048.21 and 28,775.61

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Solution

The fourth proportional to 62,125.61, 93,048.21 and 28,775.61 is: 43,098.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,125.61 : 93,048.21 = 28,775.61 : x
  2. Step 2: Convert to fraction form
    62,125.61/93,048.21 = 28,775.61/x
  3. Step 3: Cross multiply
    62,125.61x = 93,048.21 × 28,775.61
  4. Step 4: Simplify right side
    62,125.61x = 2,677,519,002.16
  5. Step 5: Solve for x
    x = 2,677,519,002.16/62,125.61
  6. Step 6: Final answer
    x = 43,098.48

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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.