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Finding the Fourth Proportional to 7,655.03, 11,471.84 and 4,137.45

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Solution

The fourth proportional to 7,655.03, 11,471.84 and 4,137.45 is: 6,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.03 : 11,471.84 = 4,137.45 : x
  2. Step 2: Convert to fraction form
    7,655.03/11,471.84 = 4,137.45/x
  3. Step 3: Cross multiply
    7,655.03x = 11,471.84 × 4,137.45
  4. Step 4: Simplify right side
    7,655.03x = 47,464,086.36
  5. Step 5: Solve for x
    x = 47,464,086.36/7,655.03
  6. Step 6: Final answer
    x = 6,200.38

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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.