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Finding the Fourth Proportional to 32,436.24, 44,763.57 and 18,288.78

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Solution

The fourth proportional to 32,436.24, 44,763.57 and 18,288.78 is: 25,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,436.24 : 44,763.57 = 18,288.78 : x
  2. Step 2: Convert to fraction form
    32,436.24/44,763.57 = 18,288.78/x
  3. Step 3: Cross multiply
    32,436.24x = 44,763.57 × 18,288.78
  4. Step 4: Simplify right side
    32,436.24x = 818,671,083.74
  5. Step 5: Solve for x
    x = 818,671,083.74/32,436.24
  6. Step 6: Final answer
    x = 25,239.40

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