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Finding the Fourth Proportional to 4,692.84, 6,474.18 and 3,015.22

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Solution

The fourth proportional to 4,692.84, 6,474.18 and 3,015.22 is: 4,159.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,692.84 : 6,474.18 = 3,015.22 : x
  2. Step 2: Convert to fraction form
    4,692.84/6,474.18 = 3,015.22/x
  3. Step 3: Cross multiply
    4,692.84x = 6,474.18 × 3,015.22
  4. Step 4: Simplify right side
    4,692.84x = 19,521,077.02
  5. Step 5: Solve for x
    x = 19,521,077.02/4,692.84
  6. Step 6: Final answer
    x = 4,159.76

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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.