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Finding the Fourth Proportional to 15,696.76, 23,515.06 and 15,169.14

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Solution

The fourth proportional to 15,696.76, 23,515.06 and 15,169.14 is: 22,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696.76 : 23,515.06 = 15,169.14 : x
  2. Step 2: Convert to fraction form
    15,696.76/23,515.06 = 15,169.14/x
  3. Step 3: Cross multiply
    15,696.76x = 23,515.06 × 15,169.14
  4. Step 4: Simplify right side
    15,696.76x = 356,703,237.25
  5. Step 5: Solve for x
    x = 356,703,237.25/15,696.76
  6. Step 6: Final answer
    x = 22,724.64

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1.5x scale

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.