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Finding the Fourth Proportional to 35,381.36, 53,094 and 20,596.88

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Solution

The fourth proportional to 35,381.36, 53,094 and 20,596.88 is: 30,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,381.36 : 53,094 = 20,596.88 : x
  2. Step 2: Convert to fraction form
    35,381.36/53,094 = 20,596.88/x
  3. Step 3: Cross multiply
    35,381.36x = 53,094 × 20,596.88
  4. Step 4: Simplify right side
    35,381.36x = 1,093,570,746.72
  5. Step 5: Solve for x
    x = 1,093,570,746.72/35,381.36
  6. Step 6: Final answer
    x = 30,908.10

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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.