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Finding the Fourth Proportional to 9,051, 12,486.88 and 5,692.44

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Solution

The fourth proportional to 9,051, 12,486.88 and 5,692.44 is: 7,853.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051 : 12,486.88 = 5,692.44 : x
  2. Step 2: Convert to fraction form
    9,051/12,486.88 = 5,692.44/x
  3. Step 3: Cross multiply
    9,051x = 12,486.88 × 5,692.44
  4. Step 4: Simplify right side
    9,051x = 71,080,815.19
  5. Step 5: Solve for x
    x = 71,080,815.19/9,051
  6. Step 6: Final answer
    x = 7,853.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.