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Finding the Fourth Proportional to 5,935.40, 8,900.40 and 2,649.50

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Solution

The fourth proportional to 5,935.40, 8,900.40 and 2,649.50 is: 3,973.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,935.40 : 8,900.40 = 2,649.50 : x
  2. Step 2: Convert to fraction form
    5,935.40/8,900.40 = 2,649.50/x
  3. Step 3: Cross multiply
    5,935.40x = 8,900.40 × 2,649.50
  4. Step 4: Simplify right side
    5,935.40x = 23,581,609.80
  5. Step 5: Solve for x
    x = 23,581,609.80/5,935.40
  6. Step 6: Final answer
    x = 3,973.04

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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.