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Finding the Fourth Proportional to 6,990.96, 10,486.44 and 2,373.96

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Solution

The fourth proportional to 6,990.96, 10,486.44 and 2,373.96 is: 3,560.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.96 : 10,486.44 = 2,373.96 : x
  2. Step 2: Convert to fraction form
    6,990.96/10,486.44 = 2,373.96/x
  3. Step 3: Cross multiply
    6,990.96x = 10,486.44 × 2,373.96
  4. Step 4: Simplify right side
    6,990.96x = 24,894,389.10
  5. Step 5: Solve for x
    x = 24,894,389.10/6,990.96
  6. Step 6: Final answer
    x = 3,560.94

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Double scale
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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.