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Finding the Fourth Proportional to 45,980.40, 68,952.96 and 17,896.80

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Solution

The fourth proportional to 45,980.40, 68,952.96 and 17,896.80 is: 26,838.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,980.40 : 68,952.96 = 17,896.80 : x
  2. Step 2: Convert to fraction form
    45,980.40/68,952.96 = 17,896.80/x
  3. Step 3: Cross multiply
    45,980.40x = 68,952.96 × 17,896.80
  4. Step 4: Simplify right side
    45,980.40x = 1,234,037,334.53
  5. Step 5: Solve for x
    x = 1,234,037,334.53/45,980.40
  6. Step 6: Final answer
    x = 26,838.33

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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.