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Finding the Fourth Proportional to 9,793.56, 14,690.40 and 3,218.04

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Solution

The fourth proportional to 9,793.56, 14,690.40 and 3,218.04 is: 4,827.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793.56 : 14,690.40 = 3,218.04 : x
  2. Step 2: Convert to fraction form
    9,793.56/14,690.40 = 3,218.04/x
  3. Step 3: Cross multiply
    9,793.56x = 14,690.40 × 3,218.04
  4. Step 4: Simplify right side
    9,793.56x = 47,274,294.82
  5. Step 5: Solve for x
    x = 47,274,294.82/9,793.56
  6. Step 6: Final answer
    x = 4,827.08

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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.