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Finding the Fourth Proportional to 32,365.68, 44,663.28 and 18,218

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Solution

The fourth proportional to 32,365.68, 44,663.28 and 18,218 is: 25,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,365.68 : 44,663.28 = 18,218 : x
  2. Step 2: Convert to fraction form
    32,365.68/44,663.28 = 18,218/x
  3. Step 3: Cross multiply
    32,365.68x = 44,663.28 × 18,218
  4. Step 4: Simplify right side
    32,365.68x = 813,675,635.04
  5. Step 5: Solve for x
    x = 813,675,635.04/32,365.68
  6. Step 6: Final answer
    x = 25,140.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.