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Finding the Fourth Proportional to 34,904.16, 48,167.04 and 18,989

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Solution

The fourth proportional to 34,904.16, 48,167.04 and 18,989 is: 26,204.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,904.16 : 48,167.04 = 18,989 : x
  2. Step 2: Convert to fraction form
    34,904.16/48,167.04 = 18,989/x
  3. Step 3: Cross multiply
    34,904.16x = 48,167.04 × 18,989
  4. Step 4: Simplify right side
    34,904.16x = 914,643,922.56
  5. Step 5: Solve for x
    x = 914,643,922.56/34,904.16
  6. Step 6: Final answer
    x = 26,204.44

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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.