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Finding the Fourth Proportional to 3,308.94, 4,566.47 and 1,816.91

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Solution

The fourth proportional to 3,308.94, 4,566.47 and 1,816.91 is: 2,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.94 : 4,566.47 = 1,816.91 : x
  2. Step 2: Convert to fraction form
    3,308.94/4,566.47 = 1,816.91/x
  3. Step 3: Cross multiply
    3,308.94x = 4,566.47 × 1,816.91
  4. Step 4: Simplify right side
    3,308.94x = 8,296,850.22
  5. Step 5: Solve for x
    x = 8,296,850.22/3,308.94
  6. Step 6: Final answer
    x = 2,507.40

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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.