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Finding the Fourth Proportional to 62,636.48, 93,978.48 and 37,693.76

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Solution

The fourth proportional to 62,636.48, 93,978.48 and 37,693.76 is: 56,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,636.48 : 93,978.48 = 37,693.76 : x
  2. Step 2: Convert to fraction form
    62,636.48/93,978.48 = 37,693.76/x
  3. Step 3: Cross multiply
    62,636.48x = 93,978.48 × 37,693.76
  4. Step 4: Simplify right side
    62,636.48x = 3,542,402,270.28
  5. Step 5: Solve for x
    x = 3,542,402,270.28/62,636.48
  6. Step 6: Final answer
    x = 56,554.94

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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.