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Finding the Fourth Proportional to 62,457.93, 93,662.48 and 20,327.78

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Solution

The fourth proportional to 62,457.93, 93,662.48 and 20,327.78 is: 30,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,457.93 : 93,662.48 = 20,327.78 : x
  2. Step 2: Convert to fraction form
    62,457.93/93,662.48 = 20,327.78/x
  3. Step 3: Cross multiply
    62,457.93x = 93,662.48 × 20,327.78
  4. Step 4: Simplify right side
    62,457.93x = 1,903,949,717.74
  5. Step 5: Solve for x
    x = 1,903,949,717.74/62,457.93
  6. Step 6: Final answer
    x = 30,483.71

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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.