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Finding the Fourth Proportional to 72,435.30, 108,653.84 and 22,514.26

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Solution

The fourth proportional to 72,435.30, 108,653.84 and 22,514.26 is: 33,771.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,435.30 : 108,653.84 = 22,514.26 : x
  2. Step 2: Convert to fraction form
    72,435.30/108,653.84 = 22,514.26/x
  3. Step 3: Cross multiply
    72,435.30x = 108,653.84 × 22,514.26
  4. Step 4: Simplify right side
    72,435.30x = 2,446,260,803.76
  5. Step 5: Solve for x
    x = 2,446,260,803.76/72,435.30
  6. Step 6: Final answer
    x = 33,771.67

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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.