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Finding the Fourth Proportional to 29,415.21, 44,131.05 and 11,897.34

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Solution

The fourth proportional to 29,415.21, 44,131.05 and 11,897.34 is: 17,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.21 : 44,131.05 = 11,897.34 : x
  2. Step 2: Convert to fraction form
    29,415.21/44,131.05 = 11,897.34/x
  3. Step 3: Cross multiply
    29,415.21x = 44,131.05 × 11,897.34
  4. Step 4: Simplify right side
    29,415.21x = 525,042,106.41
  5. Step 5: Solve for x
    x = 525,042,106.41/29,415.21
  6. Step 6: Final answer
    x = 17,849.34

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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.