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Finding the Fourth Proportional to 34,901.00, 48,163.16 and 18,985.50

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Solution

The fourth proportional to 34,901.00, 48,163.16 and 18,985.50 is: 26,199.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,901.00 : 48,163.16 = 18,985.50 : x
  2. Step 2: Convert to fraction form
    34,901.00/48,163.16 = 18,985.50/x
  3. Step 3: Cross multiply
    34,901.00x = 48,163.16 × 18,985.50
  4. Step 4: Simplify right side
    34,901.00x = 914,401,579.25
  5. Step 5: Solve for x
    x = 914,401,579.25/34,901.00
  6. Step 6: Final answer
    x = 26,199.87

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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.