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Finding the Fourth Proportional to 36,038.92, 54,069.60 and 12,347.08

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Solution

The fourth proportional to 36,038.92, 54,069.60 and 12,347.08 is: 18,524.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,038.92 : 54,069.60 = 12,347.08 : x
  2. Step 2: Convert to fraction form
    36,038.92/54,069.60 = 12,347.08/x
  3. Step 3: Cross multiply
    36,038.92x = 54,069.60 × 12,347.08
  4. Step 4: Simplify right side
    36,038.92x = 667,601,676.77
  5. Step 5: Solve for x
    x = 667,601,676.77/36,038.92
  6. Step 6: Final answer
    x = 18,524.46

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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.