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Finding the Fourth Proportional to 57,787.02, 86,683.50 and 16,237.26

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Solution

The fourth proportional to 57,787.02, 86,683.50 and 16,237.26 is: 24,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,787.02 : 86,683.50 = 16,237.26 : x
  2. Step 2: Convert to fraction form
    57,787.02/86,683.50 = 16,237.26/x
  3. Step 3: Cross multiply
    57,787.02x = 86,683.50 × 16,237.26
  4. Step 4: Simplify right side
    57,787.02x = 1,407,502,527.21
  5. Step 5: Solve for x
    x = 1,407,502,527.21/57,787.02
  6. Step 6: Final answer
    x = 24,356.72

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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.