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Finding the Fourth Proportional to 62,575.68, 93,639.84 and 54,352.56

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Solution

The fourth proportional to 62,575.68, 93,639.84 and 54,352.56 is: 81,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,575.68 : 93,639.84 = 54,352.56 : x
  2. Step 2: Convert to fraction form
    62,575.68/93,639.84 = 54,352.56/x
  3. Step 3: Cross multiply
    62,575.68x = 93,639.84 × 54,352.56
  4. Step 4: Simplify right side
    62,575.68x = 5,089,565,021.99
  5. Step 5: Solve for x
    x = 5,089,565,021.99/62,575.68
  6. Step 6: Final answer
    x = 81,334.55

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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.