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Finding the Fourth Proportional to 57,804.64, 86,706.93 and 16,251.64

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Solution

The fourth proportional to 57,804.64, 86,706.93 and 16,251.64 is: 24,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,804.64 : 86,706.93 = 16,251.64 : x
  2. Step 2: Convert to fraction form
    57,804.64/86,706.93 = 16,251.64/x
  3. Step 3: Cross multiply
    57,804.64x = 86,706.93 × 16,251.64
  4. Step 4: Simplify right side
    57,804.64x = 1,409,129,811.87
  5. Step 5: Solve for x
    x = 1,409,129,811.87/57,804.64
  6. Step 6: Final answer
    x = 24,377.45

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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.