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Finding the Fourth Proportional to 57,894.81, 86,783.27 and 26,327.28

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Solution

The fourth proportional to 57,894.81, 86,783.27 and 26,327.28 is: 39,464.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,894.81 : 86,783.27 = 26,327.28 : x
  2. Step 2: Convert to fraction form
    57,894.81/86,783.27 = 26,327.28/x
  3. Step 3: Cross multiply
    57,894.81x = 86,783.27 × 26,327.28
  4. Step 4: Simplify right side
    57,894.81x = 2,284,767,316.97
  5. Step 5: Solve for x
    x = 2,284,767,316.97/57,894.81
  6. Step 6: Final answer
    x = 39,464.11

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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.