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Finding the Fourth Proportional to 29,421.25, 44,131.88 and 8,644.75

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Solution

The fourth proportional to 29,421.25, 44,131.88 and 8,644.75 is: 12,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,421.25 : 44,131.88 = 8,644.75 : x
  2. Step 2: Convert to fraction form
    29,421.25/44,131.88 = 8,644.75/x
  3. Step 3: Cross multiply
    29,421.25x = 44,131.88 × 8,644.75
  4. Step 4: Simplify right side
    29,421.25x = 381,509,026.41
  5. Step 5: Solve for x
    x = 381,509,026.41/29,421.25
  6. Step 6: Final answer
    x = 12,967.13

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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.