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Finding the Fourth Proportional to 44,989.56, 67,492.56 and 18,696.36

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Solution

The fourth proportional to 44,989.56, 67,492.56 and 18,696.36 is: 28,047.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,989.56 : 67,492.56 = 18,696.36 : x
  2. Step 2: Convert to fraction form
    44,989.56/67,492.56 = 18,696.36/x
  3. Step 3: Cross multiply
    44,989.56x = 67,492.56 × 18,696.36
  4. Step 4: Simplify right side
    44,989.56x = 1,261,865,199.08
  5. Step 5: Solve for x
    x = 1,261,865,199.08/44,989.56
  6. Step 6: Final answer
    x = 28,047.96

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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.