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Finding the Fourth Proportional to 34,859.81, 48,106.85 and 18,944.26

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Solution

The fourth proportional to 34,859.81, 48,106.85 and 18,944.26 is: 26,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,859.81 : 48,106.85 = 18,944.26 : x
  2. Step 2: Convert to fraction form
    34,859.81/48,106.85 = 18,944.26/x
  3. Step 3: Cross multiply
    34,859.81x = 48,106.85 × 18,944.26
  4. Step 4: Simplify right side
    34,859.81x = 911,348,770.77
  5. Step 5: Solve for x
    x = 911,348,770.77/34,859.81
  6. Step 6: Final answer
    x = 26,143.25

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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.