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Finding the Fourth Proportional to 34,808.30, 48,035.43 and 19,700.70

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Solution

The fourth proportional to 34,808.30, 48,035.43 and 19,700.70 is: 27,186.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,808.30 : 48,035.43 = 19,700.70 : x
  2. Step 2: Convert to fraction form
    34,808.30/48,035.43 = 19,700.70/x
  3. Step 3: Cross multiply
    34,808.30x = 48,035.43 × 19,700.70
  4. Step 4: Simplify right side
    34,808.30x = 946,331,595.80
  5. Step 5: Solve for x
    x = 946,331,595.80/34,808.30
  6. Step 6: Final answer
    x = 27,186.96

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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.