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Finding the Fourth Proportional to 35,390.79, 53,082.41 and 22,203.99

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Solution

The fourth proportional to 35,390.79, 53,082.41 and 22,203.99 is: 33,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,390.79 : 53,082.41 = 22,203.99 : x
  2. Step 2: Convert to fraction form
    35,390.79/53,082.41 = 22,203.99/x
  3. Step 3: Cross multiply
    35,390.79x = 53,082.41 × 22,203.99
  4. Step 4: Simplify right side
    35,390.79x = 1,178,641,189.80
  5. Step 5: Solve for x
    x = 1,178,641,189.80/35,390.79
  6. Step 6: Final answer
    x = 33,303.61

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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.