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Finding the Fourth Proportional to 45,993.87, 63,477 and 25,851.60

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Solution

The fourth proportional to 45,993.87, 63,477 and 25,851.60 is: 35,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,993.87 : 63,477 = 25,851.60 : x
  2. Step 2: Convert to fraction form
    45,993.87/63,477 = 25,851.60/x
  3. Step 3: Cross multiply
    45,993.87x = 63,477 × 25,851.60
  4. Step 4: Simplify right side
    45,993.87x = 1,640,982,013.20
  5. Step 5: Solve for x
    x = 1,640,982,013.20/45,993.87
  6. Step 6: Final answer
    x = 35,678.28

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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.