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Finding the Fourth Proportional to 35,452.78, 53,179.20 and 10,828.78

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Solution

The fourth proportional to 35,452.78, 53,179.20 and 10,828.78 is: 16,243.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,452.78 : 53,179.20 = 10,828.78 : x
  2. Step 2: Convert to fraction form
    35,452.78/53,179.20 = 10,828.78/x
  3. Step 3: Cross multiply
    35,452.78x = 53,179.20 × 10,828.78
  4. Step 4: Simplify right side
    35,452.78x = 575,865,857.38
  5. Step 5: Solve for x
    x = 575,865,857.38/35,452.78
  6. Step 6: Final answer
    x = 16,243.18

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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.