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Finding the Fourth Proportional to 62,318.60, 93,478.02 and 15,571.48

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Solution

The fourth proportional to 62,318.60, 93,478.02 and 15,571.48 is: 23,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,318.60 : 93,478.02 = 15,571.48 : x
  2. Step 2: Convert to fraction form
    62,318.60/93,478.02 = 15,571.48/x
  3. Step 3: Cross multiply
    62,318.60x = 93,478.02 × 15,571.48
  4. Step 4: Simplify right side
    62,318.60x = 1,455,591,118.87
  5. Step 5: Solve for x
    x = 1,455,591,118.87/62,318.60
  6. Step 6: Final answer
    x = 23,357.25

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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.