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Finding the Fourth Proportional to 7,127.65, 10,692.06 and 1,933.48

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Solution

The fourth proportional to 7,127.65, 10,692.06 and 1,933.48 is: 2,900.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.65 : 10,692.06 = 1,933.48 : x
  2. Step 2: Convert to fraction form
    7,127.65/10,692.06 = 1,933.48/x
  3. Step 3: Cross multiply
    7,127.65x = 10,692.06 × 1,933.48
  4. Step 4: Simplify right side
    7,127.65x = 20,672,884.17
  5. Step 5: Solve for x
    x = 20,672,884.17/7,127.65
  6. Step 6: Final answer
    x = 2,900.38

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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.