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Finding the Fourth Proportional to 64,823.63, 97,251.84 and 18,076.50

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Solution

The fourth proportional to 64,823.63, 97,251.84 and 18,076.50 is: 27,119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,823.63 : 97,251.84 = 18,076.50 : x
  2. Step 2: Convert to fraction form
    64,823.63/97,251.84 = 18,076.50/x
  3. Step 3: Cross multiply
    64,823.63x = 97,251.84 × 18,076.50
  4. Step 4: Simplify right side
    64,823.63x = 1,757,972,885.76
  5. Step 5: Solve for x
    x = 1,757,972,885.76/64,823.63
  6. Step 6: Final answer
    x = 27,119.32

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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.