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Finding the Fourth Proportional to 21,740.77, 32,597.11 and 6,944.77

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Solution

The fourth proportional to 21,740.77, 32,597.11 and 6,944.77 is: 10,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740.77 : 32,597.11 = 6,944.77 : x
  2. Step 2: Convert to fraction form
    21,740.77/32,597.11 = 6,944.77/x
  3. Step 3: Cross multiply
    21,740.77x = 32,597.11 × 6,944.77
  4. Step 4: Simplify right side
    21,740.77x = 226,379,431.61
  5. Step 5: Solve for x
    x = 226,379,431.61/21,740.77
  6. Step 6: Final answer
    x = 10,412.67

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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.