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Finding the Fourth Proportional to 53,409.45, 80,114.44 and 13,966.65

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Solution

The fourth proportional to 53,409.45, 80,114.44 and 13,966.65 is: 20,950.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,409.45 : 80,114.44 = 13,966.65 : x
  2. Step 2: Convert to fraction form
    53,409.45/80,114.44 = 13,966.65/x
  3. Step 3: Cross multiply
    53,409.45x = 80,114.44 × 13,966.65
  4. Step 4: Simplify right side
    53,409.45x = 1,118,930,343.43
  5. Step 5: Solve for x
    x = 1,118,930,343.43/53,409.45
  6. Step 6: Final answer
    x = 20,950.04

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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.