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Finding the Fourth Proportional to 7,064.54, 9,793.72 and 6,690.06

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Solution

The fourth proportional to 7,064.54, 9,793.72 and 6,690.06 is: 9,274.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064.54 : 9,793.72 = 6,690.06 : x
  2. Step 2: Convert to fraction form
    7,064.54/9,793.72 = 6,690.06/x
  3. Step 3: Cross multiply
    7,064.54x = 9,793.72 × 6,690.06
  4. Step 4: Simplify right side
    7,064.54x = 65,520,574.42
  5. Step 5: Solve for x
    x = 65,520,574.42/7,064.54
  6. Step 6: Final answer
    x = 9,274.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.