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Finding the Fourth Proportional to 23,696.90, 35,539.88 and 8,907.31

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Solution

The fourth proportional to 23,696.90, 35,539.88 and 8,907.31 is: 13,358.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,696.90 : 35,539.88 = 8,907.31 : x
  2. Step 2: Convert to fraction form
    23,696.90/35,539.88 = 8,907.31/x
  3. Step 3: Cross multiply
    23,696.90x = 35,539.88 × 8,907.31
  4. Step 4: Simplify right side
    23,696.90x = 316,564,683.99
  5. Step 5: Solve for x
    x = 316,564,683.99/23,696.90
  6. Step 6: Final answer
    x = 13,358.91

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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.