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Finding the Fourth Proportional to 29,751.59, 44,671.13 and 12,255.59

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Solution

The fourth proportional to 29,751.59, 44,671.13 and 12,255.59 is: 18,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,751.59 : 44,671.13 = 12,255.59 : x
  2. Step 2: Convert to fraction form
    29,751.59/44,671.13 = 12,255.59/x
  3. Step 3: Cross multiply
    29,751.59x = 44,671.13 × 12,255.59
  4. Step 4: Simplify right side
    29,751.59x = 547,471,054.12
  5. Step 5: Solve for x
    x = 547,471,054.12/29,751.59
  6. Step 6: Final answer
    x = 18,401.40

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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.