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Finding the Fourth Proportional to 6,957.95, 10,436.90 and 1,692.90

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Solution

The fourth proportional to 6,957.95, 10,436.90 and 1,692.90 is: 2,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,957.95 : 10,436.90 = 1,692.90 : x
  2. Step 2: Convert to fraction form
    6,957.95/10,436.90 = 1,692.90/x
  3. Step 3: Cross multiply
    6,957.95x = 10,436.90 × 1,692.90
  4. Step 4: Simplify right side
    6,957.95x = 17,668,629.07
  5. Step 5: Solve for x
    x = 17,668,629.07/6,957.95
  6. Step 6: Final answer
    x = 2,539.34

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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.