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Finding the Fourth Proportional to 5,777.40, 8,666.10 and 2,496.90

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Solution

The fourth proportional to 5,777.40, 8,666.10 and 2,496.90 is: 3,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.40 : 8,666.10 = 2,496.90 : x
  2. Step 2: Convert to fraction form
    5,777.40/8,666.10 = 2,496.90/x
  3. Step 3: Cross multiply
    5,777.40x = 8,666.10 × 2,496.90
  4. Step 4: Simplify right side
    5,777.40x = 21,638,385.09
  5. Step 5: Solve for x
    x = 21,638,385.09/5,777.40
  6. Step 6: Final answer
    x = 3,745.35

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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.