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Finding the Fourth Proportional to 34,919.59, 48,188.11 and 19,003.69

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Solution

The fourth proportional to 34,919.59, 48,188.11 and 19,003.69 is: 26,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,919.59 : 48,188.11 = 19,003.69 : x
  2. Step 2: Convert to fraction form
    34,919.59/48,188.11 = 19,003.69/x
  3. Step 3: Cross multiply
    34,919.59x = 48,188.11 × 19,003.69
  4. Step 4: Simplify right side
    34,919.59x = 915,751,989.81
  5. Step 5: Solve for x
    x = 915,751,989.81/34,919.59
  6. Step 6: Final answer
    x = 26,224.59

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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.