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Finding the Fourth Proportional to 3,533.99, 4,877.03 and 1,940.70

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Solution

The fourth proportional to 3,533.99, 4,877.03 and 1,940.70 is: 2,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.99 : 4,877.03 = 1,940.70 : x
  2. Step 2: Convert to fraction form
    3,533.99/4,877.03 = 1,940.70/x
  3. Step 3: Cross multiply
    3,533.99x = 4,877.03 × 1,940.70
  4. Step 4: Simplify right side
    3,533.99x = 9,464,856.97
  5. Step 5: Solve for x
    x = 9,464,856.97/3,533.99
  6. Step 6: Final answer
    x = 2,678.24

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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.