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Finding the Fourth Proportional to 34,900.54, 48,163.08 and 18,985.12

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Solution

The fourth proportional to 34,900.54, 48,163.08 and 18,985.12 is: 26,199.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,900.54 : 48,163.08 = 18,985.12 : x
  2. Step 2: Convert to fraction form
    34,900.54/48,163.08 = 18,985.12/x
  3. Step 3: Cross multiply
    34,900.54x = 48,163.08 × 18,985.12
  4. Step 4: Simplify right side
    34,900.54x = 914,381,853.37
  5. Step 5: Solve for x
    x = 914,381,853.37/34,900.54
  6. Step 6: Final answer
    x = 26,199.65

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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.