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Finding the Fourth Proportional to 29,415.98, 44,129.44 and 11,898.10

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Solution

The fourth proportional to 29,415.98, 44,129.44 and 11,898.10 is: 17,849.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.98 : 44,129.44 = 11,898.10 : x
  2. Step 2: Convert to fraction form
    29,415.98/44,129.44 = 11,898.10/x
  3. Step 3: Cross multiply
    29,415.98x = 44,129.44 × 11,898.10
  4. Step 4: Simplify right side
    29,415.98x = 525,056,490.06
  5. Step 5: Solve for x
    x = 525,056,490.06/29,415.98
  6. Step 6: Final answer
    x = 17,849.36

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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.