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Finding the Fourth Proportional to 5,604.51, 8,403.72 and 1,708.41

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Solution

The fourth proportional to 5,604.51, 8,403.72 and 1,708.41 is: 2,561.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.51 : 8,403.72 = 1,708.41 : x
  2. Step 2: Convert to fraction form
    5,604.51/8,403.72 = 1,708.41/x
  3. Step 3: Cross multiply
    5,604.51x = 8,403.72 × 1,708.41
  4. Step 4: Simplify right side
    5,604.51x = 14,356,999.29
  5. Step 5: Solve for x
    x = 14,356,999.29/5,604.51
  6. Step 6: Final answer
    x = 2,561.69

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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.