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Finding the Fourth Proportional to 6,457.92, 9,692.64 and 2,997.12

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Solution

The fourth proportional to 6,457.92, 9,692.64 and 2,997.12 is: 4,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.92 : 9,692.64 = 2,997.12 : x
  2. Step 2: Convert to fraction form
    6,457.92/9,692.64 = 2,997.12/x
  3. Step 3: Cross multiply
    6,457.92x = 9,692.64 × 2,997.12
  4. Step 4: Simplify right side
    6,457.92x = 29,050,005.20
  5. Step 5: Solve for x
    x = 29,050,005.20/6,457.92
  6. Step 6: Final answer
    x = 4,498.35

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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.