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Finding the Fourth Proportional to 45,804.68, 68,716.83 and 14,214.06

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Solution

The fourth proportional to 45,804.68, 68,716.83 and 14,214.06 is: 21,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,804.68 : 68,716.83 = 14,214.06 : x
  2. Step 2: Convert to fraction form
    45,804.68/68,716.83 = 14,214.06/x
  3. Step 3: Cross multiply
    45,804.68x = 68,716.83 × 14,214.06
  4. Step 4: Simplify right side
    45,804.68x = 976,745,144.63
  5. Step 5: Solve for x
    x = 976,745,144.63/45,804.68
  6. Step 6: Final answer
    x = 21,324.14

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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.