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Finding the Fourth Proportional to 5,604.85, 8,405.99 and 1,655.26

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Solution

The fourth proportional to 5,604.85, 8,405.99 and 1,655.26 is: 2,482.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.85 : 8,405.99 = 1,655.26 : x
  2. Step 2: Convert to fraction form
    5,604.85/8,405.99 = 1,655.26/x
  3. Step 3: Cross multiply
    5,604.85x = 8,405.99 × 1,655.26
  4. Step 4: Simplify right side
    5,604.85x = 13,914,048.70
  5. Step 5: Solve for x
    x = 13,914,048.70/5,604.85
  6. Step 6: Final answer
    x = 2,482.50

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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.