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Finding the Fourth Proportional to 18,004.78, 24,851.51 and 10,453.48

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Solution

The fourth proportional to 18,004.78, 24,851.51 and 10,453.48 is: 14,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,004.78 : 24,851.51 = 10,453.48 : x
  2. Step 2: Convert to fraction form
    18,004.78/24,851.51 = 10,453.48/x
  3. Step 3: Cross multiply
    18,004.78x = 24,851.51 × 10,453.48
  4. Step 4: Simplify right side
    18,004.78x = 259,784,586.23
  5. Step 5: Solve for x
    x = 259,784,586.23/18,004.78
  6. Step 6: Final answer
    x = 14,428.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.