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Finding the Fourth Proportional to 35,762.78, 49,354.97 and 19,847.25

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Solution

The fourth proportional to 35,762.78, 49,354.97 and 19,847.25 is: 27,390.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,762.78 : 49,354.97 = 19,847.25 : x
  2. Step 2: Convert to fraction form
    35,762.78/49,354.97 = 19,847.25/x
  3. Step 3: Cross multiply
    35,762.78x = 49,354.97 × 19,847.25
  4. Step 4: Simplify right side
    35,762.78x = 979,560,329.10
  5. Step 5: Solve for x
    x = 979,560,329.10/35,762.78
  6. Step 6: Final answer
    x = 27,390.50

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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.