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Finding the Fourth Proportional to 15,245.76, 22,803.02 and 13,569.06

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Solution

The fourth proportional to 15,245.76, 22,803.02 and 13,569.06 is: 20,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,245.76 : 22,803.02 = 13,569.06 : x
  2. Step 2: Convert to fraction form
    15,245.76/22,803.02 = 13,569.06/x
  3. Step 3: Cross multiply
    15,245.76x = 22,803.02 × 13,569.06
  4. Step 4: Simplify right side
    15,245.76x = 309,415,546.56
  5. Step 5: Solve for x
    x = 309,415,546.56/15,245.76
  6. Step 6: Final answer
    x = 20,295.19

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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.