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Finding the Fourth Proportional to 15,134.76, 22,696.08 and 8,907.36

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Solution

The fourth proportional to 15,134.76, 22,696.08 and 8,907.36 is: 13,357.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134.76 : 22,696.08 = 8,907.36 : x
  2. Step 2: Convert to fraction form
    15,134.76/22,696.08 = 8,907.36/x
  3. Step 3: Cross multiply
    15,134.76x = 22,696.08 × 8,907.36
  4. Step 4: Simplify right side
    15,134.76x = 202,162,155.15
  5. Step 5: Solve for x
    x = 202,162,155.15/15,134.76
  6. Step 6: Final answer
    x = 13,357.47

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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.