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Finding the Fourth Proportional to 35,373.25, 48,790.11 and 30,031.30

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Solution

The fourth proportional to 35,373.25, 48,790.11 and 30,031.30 is: 41,421.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,373.25 : 48,790.11 = 30,031.30 : x
  2. Step 2: Convert to fraction form
    35,373.25/48,790.11 = 30,031.30/x
  3. Step 3: Cross multiply
    35,373.25x = 48,790.11 × 30,031.30
  4. Step 4: Simplify right side
    35,373.25x = 1,465,230,430.44
  5. Step 5: Solve for x
    x = 1,465,230,430.44/35,373.25
  6. Step 6: Final answer
    x = 41,421.99

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Why These Related Problems?

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