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Finding the Fourth Proportional to 44,649.43, 66,966.85 and 13,051.99

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Solution

The fourth proportional to 44,649.43, 66,966.85 and 13,051.99 is: 19,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,649.43 : 66,966.85 = 13,051.99 : x
  2. Step 2: Convert to fraction form
    44,649.43/66,966.85 = 13,051.99/x
  3. Step 3: Cross multiply
    44,649.43x = 66,966.85 × 13,051.99
  4. Step 4: Simplify right side
    44,649.43x = 874,050,379.87
  5. Step 5: Solve for x
    x = 874,050,379.87/44,649.43
  6. Step 6: Final answer
    x = 19,575.85

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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.