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Finding the Fourth Proportional to 53,694.68, 80,535.84 and 14,254.88

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Solution

The fourth proportional to 53,694.68, 80,535.84 and 14,254.88 is: 21,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,694.68 : 80,535.84 = 14,254.88 : x
  2. Step 2: Convert to fraction form
    53,694.68/80,535.84 = 14,254.88/x
  3. Step 3: Cross multiply
    53,694.68x = 80,535.84 × 14,254.88
  4. Step 4: Simplify right side
    53,694.68x = 1,148,028,332.22
  5. Step 5: Solve for x
    x = 1,148,028,332.22/53,694.68
  6. Step 6: Final answer
    x = 21,380.67

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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.