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Finding the Fourth Proportional to 34,696.90, 52,056.24 and 20,653.90

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Solution

The fourth proportional to 34,696.90, 52,056.24 and 20,653.90 is: 30,987.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,696.90 : 52,056.24 = 20,653.90 : x
  2. Step 2: Convert to fraction form
    34,696.90/52,056.24 = 20,653.90/x
  3. Step 3: Cross multiply
    34,696.90x = 52,056.24 × 20,653.90
  4. Step 4: Simplify right side
    34,696.90x = 1,075,164,375.34
  5. Step 5: Solve for x
    x = 1,075,164,375.34/34,696.90
  6. Step 6: Final answer
    x = 30,987.33

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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.