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Finding the Fourth Proportional to 29,809.48, 44,734.71 and 12,279.31

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Solution

The fourth proportional to 29,809.48, 44,734.71 and 12,279.31 is: 18,427.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,809.48 : 44,734.71 = 12,279.31 : x
  2. Step 2: Convert to fraction form
    29,809.48/44,734.71 = 12,279.31/x
  3. Step 3: Cross multiply
    29,809.48x = 44,734.71 × 12,279.31
  4. Step 4: Simplify right side
    29,809.48x = 549,311,371.85
  5. Step 5: Solve for x
    x = 549,311,371.85/29,809.48
  6. Step 6: Final answer
    x = 18,427.41

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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.