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Finding the Fourth Proportional to 30,747.80, 46,053.48 and 25,103.72

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Solution

The fourth proportional to 30,747.80, 46,053.48 and 25,103.72 is: 37,599.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,747.80 : 46,053.48 = 25,103.72 : x
  2. Step 2: Convert to fraction form
    30,747.80/46,053.48 = 25,103.72/x
  3. Step 3: Cross multiply
    30,747.80x = 46,053.48 × 25,103.72
  4. Step 4: Simplify right side
    30,747.80x = 1,156,113,666.95
  5. Step 5: Solve for x
    x = 1,156,113,666.95/30,747.80
  6. Step 6: Final answer
    x = 37,599.88

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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.