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Finding the Fourth Proportional to 30,199.70, 45,300.49 and 14,406.44

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Solution

The fourth proportional to 30,199.70, 45,300.49 and 14,406.44 is: 21,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.70 : 45,300.49 = 14,406.44 : x
  2. Step 2: Convert to fraction form
    30,199.70/45,300.49 = 14,406.44/x
  3. Step 3: Cross multiply
    30,199.70x = 45,300.49 × 14,406.44
  4. Step 4: Simplify right side
    30,199.70x = 652,618,791.16
  5. Step 5: Solve for x
    x = 652,618,791.16/30,199.70
  6. Step 6: Final answer
    x = 21,610.11

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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.