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Finding the Fourth Proportional to 35,438.02, 48,904.20 and 19,522.12

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Solution

The fourth proportional to 35,438.02, 48,904.20 and 19,522.12 is: 26,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,438.02 : 48,904.20 = 19,522.12 : x
  2. Step 2: Convert to fraction form
    35,438.02/48,904.20 = 19,522.12/x
  3. Step 3: Cross multiply
    35,438.02x = 48,904.20 × 19,522.12
  4. Step 4: Simplify right side
    35,438.02x = 954,713,660.90
  5. Step 5: Solve for x
    x = 954,713,660.90/35,438.02
  6. Step 6: Final answer
    x = 26,940.38

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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.