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Finding the Fourth Proportional to 7,692.91, 10,616.99 and 4,710.71

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Solution

The fourth proportional to 7,692.91, 10,616.99 and 4,710.71 is: 6,501.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692.91 : 10,616.99 = 4,710.71 : x
  2. Step 2: Convert to fraction form
    7,692.91/10,616.99 = 4,710.71/x
  3. Step 3: Cross multiply
    7,692.91x = 10,616.99 × 4,710.71
  4. Step 4: Simplify right side
    7,692.91x = 50,013,563.95
  5. Step 5: Solve for x
    x = 50,013,563.95/7,692.91
  6. Step 6: Final answer
    x = 6,501.26

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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.