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Finding the Fourth Proportional to 30,530.99, 46,004.46 and 25,105.87

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Solution

The fourth proportional to 30,530.99, 46,004.46 and 25,105.87 is: 37,829.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,530.99 : 46,004.46 = 25,105.87 : x
  2. Step 2: Convert to fraction form
    30,530.99/46,004.46 = 25,105.87/x
  3. Step 3: Cross multiply
    30,530.99x = 46,004.46 × 25,105.87
  4. Step 4: Simplify right side
    30,530.99x = 1,154,981,696.76
  5. Step 5: Solve for x
    x = 1,154,981,696.76/30,530.99
  6. Step 6: Final answer
    x = 37,829.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.