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Finding the Fourth Proportional to 45,797.68, 68,700.87 and 14,208.08

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Solution

The fourth proportional to 45,797.68, 68,700.87 and 14,208.08 is: 21,313.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,797.68 : 68,700.87 = 14,208.08 : x
  2. Step 2: Convert to fraction form
    45,797.68/68,700.87 = 14,208.08/x
  3. Step 3: Cross multiply
    45,797.68x = 68,700.87 × 14,208.08
  4. Step 4: Simplify right side
    45,797.68x = 976,107,628.78
  5. Step 5: Solve for x
    x = 976,107,628.78/45,797.68
  6. Step 6: Final answer
    x = 21,313.47

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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.