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Finding the Fourth Proportional to 53,664.17, 80,478.03 and 18,595.64

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Solution

The fourth proportional to 53,664.17, 80,478.03 and 18,595.64 is: 27,887.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,664.17 : 80,478.03 = 18,595.64 : x
  2. Step 2: Convert to fraction form
    53,664.17/80,478.03 = 18,595.64/x
  3. Step 3: Cross multiply
    53,664.17x = 80,478.03 × 18,595.64
  4. Step 4: Simplify right side
    53,664.17x = 1,496,540,473.79
  5. Step 5: Solve for x
    x = 1,496,540,473.79/53,664.17
  6. Step 6: Final answer
    x = 27,887.14

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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.