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Finding the Fourth Proportional to 11,862.42, 17,793.62 and 4,845.74

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Solution

The fourth proportional to 11,862.42, 17,793.62 and 4,845.74 is: 7,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.42 : 17,793.62 = 4,845.74 : x
  2. Step 2: Convert to fraction form
    11,862.42/17,793.62 = 4,845.74/x
  3. Step 3: Cross multiply
    11,862.42x = 17,793.62 × 4,845.74
  4. Step 4: Simplify right side
    11,862.42x = 86,223,213.43
  5. Step 5: Solve for x
    x = 86,223,213.43/11,862.42
  6. Step 6: Final answer
    x = 7,268.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.