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Finding the Fourth Proportional to 30,474.40, 45,600.77 and 25,159.99

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Solution

The fourth proportional to 30,474.40, 45,600.77 and 25,159.99 is: 37,648.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,474.40 : 45,600.77 = 25,159.99 : x
  2. Step 2: Convert to fraction form
    30,474.40/45,600.77 = 25,159.99/x
  3. Step 3: Cross multiply
    30,474.40x = 45,600.77 × 25,159.99
  4. Step 4: Simplify right side
    30,474.40x = 1,147,314,917.19
  5. Step 5: Solve for x
    x = 1,147,314,917.19/30,474.40
  6. Step 6: Final answer
    x = 37,648.48

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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.