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Finding the Fourth Proportional to 21,951, 32,927.82 and 10,716.84

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Solution

The fourth proportional to 21,951, 32,927.82 and 10,716.84 is: 16,075.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,951 : 32,927.82 = 10,716.84 : x
  2. Step 2: Convert to fraction form
    21,951/32,927.82 = 10,716.84/x
  3. Step 3: Cross multiply
    21,951x = 32,927.82 × 10,716.84
  4. Step 4: Simplify right side
    21,951x = 352,882,178.49
  5. Step 5: Solve for x
    x = 352,882,178.49/21,951
  6. Step 6: Final answer
    x = 16,075.90

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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.