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Finding the Fourth Proportional to 30,974.99, 46,455.48 and 14,325.89

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Solution

The fourth proportional to 30,974.99, 46,455.48 and 14,325.89 is: 21,485.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,974.99 : 46,455.48 = 14,325.89 : x
  2. Step 2: Convert to fraction form
    30,974.99/46,455.48 = 14,325.89/x
  3. Step 3: Cross multiply
    30,974.99x = 46,455.48 × 14,325.89
  4. Step 4: Simplify right side
    30,974.99x = 665,515,864.10
  5. Step 5: Solve for x
    x = 665,515,864.10/30,974.99
  6. Step 6: Final answer
    x = 21,485.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.