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Finding the Fourth Proportional to 3,466.86, 4,784.80 and 2,208.45

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Solution

The fourth proportional to 3,466.86, 4,784.80 and 2,208.45 is: 3,048.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.86 : 4,784.80 = 2,208.45 : x
  2. Step 2: Convert to fraction form
    3,466.86/4,784.80 = 2,208.45/x
  3. Step 3: Cross multiply
    3,466.86x = 4,784.80 × 2,208.45
  4. Step 4: Simplify right side
    3,466.86x = 10,566,991.56
  5. Step 5: Solve for x
    x = 10,566,991.56/3,466.86
  6. Step 6: Final answer
    x = 3,048.00

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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.