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Finding the Fourth Proportional to 35,375.54, 53,095.03 and 31,621.39

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Solution

The fourth proportional to 35,375.54, 53,095.03 and 31,621.39 is: 47,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,375.54 : 53,095.03 = 31,621.39 : x
  2. Step 2: Convert to fraction form
    35,375.54/53,095.03 = 31,621.39/x
  3. Step 3: Cross multiply
    35,375.54x = 53,095.03 × 31,621.39
  4. Step 4: Simplify right side
    35,375.54x = 1,678,938,438.90
  5. Step 5: Solve for x
    x = 1,678,938,438.90/35,375.54
  6. Step 6: Final answer
    x = 47,460.44

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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.