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Finding the Fourth Proportional to 14,362.38, 21,550.05 and 7,338.06

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Solution

The fourth proportional to 14,362.38, 21,550.05 and 7,338.06 is: 11,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,362.38 : 21,550.05 = 7,338.06 : x
  2. Step 2: Convert to fraction form
    14,362.38/21,550.05 = 7,338.06/x
  3. Step 3: Cross multiply
    14,362.38x = 21,550.05 × 7,338.06
  4. Step 4: Simplify right side
    14,362.38x = 158,135,559.90
  5. Step 5: Solve for x
    x = 158,135,559.90/14,362.38
  6. Step 6: Final answer
    x = 11,010.40

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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.