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Finding the Fourth Proportional to 34,773.99, 47,994.98 and 19,666.68

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Solution

The fourth proportional to 34,773.99, 47,994.98 and 19,666.68 is: 27,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,773.99 : 47,994.98 = 19,666.68 : x
  2. Step 2: Convert to fraction form
    34,773.99/47,994.98 = 19,666.68/x
  3. Step 3: Cross multiply
    34,773.99x = 47,994.98 × 19,666.68
  4. Step 4: Simplify right side
    34,773.99x = 943,901,814.93
  5. Step 5: Solve for x
    x = 943,901,814.93/34,773.99
  6. Step 6: Final answer
    x = 27,143.90

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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.