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Finding the Fourth Proportional to 7,056.90, 9,803.88 and 6,992.67

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Solution

The fourth proportional to 7,056.90, 9,803.88 and 6,992.67 is: 9,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056.90 : 9,803.88 = 6,992.67 : x
  2. Step 2: Convert to fraction form
    7,056.90/9,803.88 = 6,992.67/x
  3. Step 3: Cross multiply
    7,056.90x = 9,803.88 × 6,992.67
  4. Step 4: Simplify right side
    7,056.90x = 68,555,297.56
  5. Step 5: Solve for x
    x = 68,555,297.56/7,056.90
  6. Step 6: Final answer
    x = 9,714.65

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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.