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Finding the Fourth Proportional to 35,305.50, 48,723.98 and 19,390.12

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Solution

The fourth proportional to 35,305.50, 48,723.98 and 19,390.12 is: 26,759.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,305.50 : 48,723.98 = 19,390.12 : x
  2. Step 2: Convert to fraction form
    35,305.50/48,723.98 = 19,390.12/x
  3. Step 3: Cross multiply
    35,305.50x = 48,723.98 × 19,390.12
  4. Step 4: Simplify right side
    35,305.50x = 944,763,709.39
  5. Step 5: Solve for x
    x = 944,763,709.39/35,305.50
  6. Step 6: Final answer
    x = 26,759.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.