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Finding the Fourth Proportional to 45,362.88, 68,043.96 and 17,660.88

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Solution

The fourth proportional to 45,362.88, 68,043.96 and 17,660.88 is: 26,491.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,362.88 : 68,043.96 = 17,660.88 : x
  2. Step 2: Convert to fraction form
    45,362.88/68,043.96 = 17,660.88/x
  3. Step 3: Cross multiply
    45,362.88x = 68,043.96 × 17,660.88
  4. Step 4: Simplify right side
    45,362.88x = 1,201,716,212.28
  5. Step 5: Solve for x
    x = 1,201,716,212.28/45,362.88
  6. Step 6: Final answer
    x = 26,491.18

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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.