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Finding the Fourth Proportional to 9,999.55, 14,994.27 and 3,333.67

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Solution

The fourth proportional to 9,999.55, 14,994.27 and 3,333.67 is: 4,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999.55 : 14,994.27 = 3,333.67 : x
  2. Step 2: Convert to fraction form
    9,999.55/14,994.27 = 3,333.67/x
  3. Step 3: Cross multiply
    9,999.55x = 14,994.27 × 3,333.67
  4. Step 4: Simplify right side
    9,999.55x = 49,985,994.93
  5. Step 5: Solve for x
    x = 49,985,994.93/9,999.55
  6. Step 6: Final answer
    x = 4,998.83

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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.