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Finding the Fourth Proportional to 6,460.95, 9,692.01 and 2,077.32

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Solution

The fourth proportional to 6,460.95, 9,692.01 and 2,077.32 is: 3,116.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,460.95 : 9,692.01 = 2,077.32 : x
  2. Step 2: Convert to fraction form
    6,460.95/9,692.01 = 2,077.32/x
  3. Step 3: Cross multiply
    6,460.95x = 9,692.01 × 2,077.32
  4. Step 4: Simplify right side
    6,460.95x = 20,133,406.21
  5. Step 5: Solve for x
    x = 20,133,406.21/6,460.95
  6. Step 6: Final answer
    x = 3,116.17

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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.