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Finding the Fourth Proportional to 29,487.40, 44,181.80 and 12,822.44

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Solution

The fourth proportional to 29,487.40, 44,181.80 and 12,822.44 is: 19,212.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,487.40 : 44,181.80 = 12,822.44 : x
  2. Step 2: Convert to fraction form
    29,487.40/44,181.80 = 12,822.44/x
  3. Step 3: Cross multiply
    29,487.40x = 44,181.80 × 12,822.44
  4. Step 4: Simplify right side
    29,487.40x = 566,518,479.59
  5. Step 5: Solve for x
    x = 566,518,479.59/29,487.40
  6. Step 6: Final answer
    x = 19,212.22

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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.