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Finding the Fourth Proportional to 35,469.63, 48,948.42 and 19,554.65

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Solution

The fourth proportional to 35,469.63, 48,948.42 and 19,554.65 is: 26,985.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,469.63 : 48,948.42 = 19,554.65 : x
  2. Step 2: Convert to fraction form
    35,469.63/48,948.42 = 19,554.65/x
  3. Step 3: Cross multiply
    35,469.63x = 48,948.42 × 19,554.65
  4. Step 4: Simplify right side
    35,469.63x = 957,168,976.41
  5. Step 5: Solve for x
    x = 957,168,976.41/35,469.63
  6. Step 6: Final answer
    x = 26,985.59

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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.