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Finding the Fourth Proportional to 21,850.70, 32,776.07 and 9,362.63

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Solution

The fourth proportional to 21,850.70, 32,776.07 and 9,362.63 is: 14,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,850.70 : 32,776.07 = 9,362.63 : x
  2. Step 2: Convert to fraction form
    21,850.70/32,776.07 = 9,362.63/x
  3. Step 3: Cross multiply
    21,850.70x = 32,776.07 × 9,362.63
  4. Step 4: Simplify right side
    21,850.70x = 306,870,075.79
  5. Step 5: Solve for x
    x = 306,870,075.79/21,850.70
  6. Step 6: Final answer
    x = 14,043.95

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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.