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Finding the Fourth Proportional to 15,348.76, 22,993.50 and 12,853.96

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Solution

The fourth proportional to 15,348.76, 22,993.50 and 12,853.96 is: 19,256.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,348.76 : 22,993.50 = 12,853.96 : x
  2. Step 2: Convert to fraction form
    15,348.76/22,993.50 = 12,853.96/x
  3. Step 3: Cross multiply
    15,348.76x = 22,993.50 × 12,853.96
  4. Step 4: Simplify right side
    15,348.76x = 295,557,529.26
  5. Step 5: Solve for x
    x = 295,557,529.26/15,348.76
  6. Step 6: Final answer
    x = 19,256.12

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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.