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Finding the Fourth Proportional to 41,993.50, 62,990.26 and 14,291.50

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Solution

The fourth proportional to 41,993.50, 62,990.26 and 14,291.50 is: 21,437.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,993.50 : 62,990.26 = 14,291.50 : x
  2. Step 2: Convert to fraction form
    41,993.50/62,990.26 = 14,291.50/x
  3. Step 3: Cross multiply
    41,993.50x = 62,990.26 × 14,291.50
  4. Step 4: Simplify right side
    41,993.50x = 900,225,300.79
  5. Step 5: Solve for x
    x = 900,225,300.79/41,993.50
  6. Step 6: Final answer
    x = 21,437.25

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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.