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Finding the Fourth Proportional to 64,827.21, 97,251.20 and 27,387.63

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Solution

The fourth proportional to 64,827.21, 97,251.20 and 27,387.63 is: 41,085.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,827.21 : 97,251.20 = 27,387.63 : x
  2. Step 2: Convert to fraction form
    64,827.21/97,251.20 = 27,387.63/x
  3. Step 3: Cross multiply
    64,827.21x = 97,251.20 × 27,387.63
  4. Step 4: Simplify right side
    64,827.21x = 2,663,480,194.25
  5. Step 5: Solve for x
    x = 2,663,480,194.25/64,827.21
  6. Step 6: Final answer
    x = 41,085.84

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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.