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Finding the Fourth Proportional to 6,957.09, 10,435.64 and 1,692.09

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Solution

The fourth proportional to 6,957.09, 10,435.64 and 1,692.09 is: 2,538.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,957.09 : 10,435.64 = 1,692.09 : x
  2. Step 2: Convert to fraction form
    6,957.09/10,435.64 = 1,692.09/x
  3. Step 3: Cross multiply
    6,957.09x = 10,435.64 × 1,692.09
  4. Step 4: Simplify right side
    6,957.09x = 17,658,033.63
  5. Step 5: Solve for x
    x = 17,658,033.63/6,957.09
  6. Step 6: Final answer
    x = 2,538.14

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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.