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Finding the Fourth Proportional to 43,354.01, 65,024.21 and 13,767.95

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Solution

The fourth proportional to 43,354.01, 65,024.21 and 13,767.95 is: 20,649.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,354.01 : 65,024.21 = 13,767.95 : x
  2. Step 2: Convert to fraction form
    43,354.01/65,024.21 = 13,767.95/x
  3. Step 3: Cross multiply
    43,354.01x = 65,024.21 × 13,767.95
  4. Step 4: Simplify right side
    43,354.01x = 895,249,678.11
  5. Step 5: Solve for x
    x = 895,249,678.11/43,354.01
  6. Step 6: Final answer
    x = 20,649.76

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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.