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Finding the Fourth Proportional to 3,466.61, 4,784.03 and 1,894.80

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Solution

The fourth proportional to 3,466.61, 4,784.03 and 1,894.80 is: 2,614.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.61 : 4,784.03 = 1,894.80 : x
  2. Step 2: Convert to fraction form
    3,466.61/4,784.03 = 1,894.80/x
  3. Step 3: Cross multiply
    3,466.61x = 4,784.03 × 1,894.80
  4. Step 4: Simplify right side
    3,466.61x = 9,064,770.57
  5. Step 5: Solve for x
    x = 9,064,770.57/3,466.61
  6. Step 6: Final answer
    x = 2,614.88

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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.