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Finding the Fourth Proportional to 29,889.90, 44,813.88 and 13,240.89

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Solution

The fourth proportional to 29,889.90, 44,813.88 and 13,240.89 is: 19,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,889.90 : 44,813.88 = 13,240.89 : x
  2. Step 2: Convert to fraction form
    29,889.90/44,813.88 = 13,240.89/x
  3. Step 3: Cross multiply
    29,889.90x = 44,813.88 × 13,240.89
  4. Step 4: Simplify right side
    29,889.90x = 593,375,655.55
  5. Step 5: Solve for x
    x = 593,375,655.55/29,889.90
  6. Step 6: Final answer
    x = 19,852.05

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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.