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Finding the Fourth Proportional to 5,604.89, 8,405.93 and 1,655.37

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Solution

The fourth proportional to 5,604.89, 8,405.93 and 1,655.37 is: 2,482.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.89 : 8,405.93 = 1,655.37 : x
  2. Step 2: Convert to fraction form
    5,604.89/8,405.93 = 1,655.37/x
  3. Step 3: Cross multiply
    5,604.89x = 8,405.93 × 1,655.37
  4. Step 4: Simplify right side
    5,604.89x = 13,914,928.48
  5. Step 5: Solve for x
    x = 13,914,928.48/5,604.89
  6. Step 6: Final answer
    x = 2,482.64

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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.