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Finding the Fourth Proportional to 35,322.44, 52,888.80 and 18,647.78

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Solution

The fourth proportional to 35,322.44, 52,888.80 and 18,647.78 is: 27,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,322.44 : 52,888.80 = 18,647.78 : x
  2. Step 2: Convert to fraction form
    35,322.44/52,888.80 = 18,647.78/x
  3. Step 3: Cross multiply
    35,322.44x = 52,888.80 × 18,647.78
  4. Step 4: Simplify right side
    35,322.44x = 986,258,706.86
  5. Step 5: Solve for x
    x = 986,258,706.86/35,322.44
  6. Step 6: Final answer
    x = 27,921.59

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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.