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Finding the Fourth Proportional to 5,603.66, 8,405.49 and 1,708.07

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Solution

The fourth proportional to 5,603.66, 8,405.49 and 1,708.07 is: 2,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.66 : 8,405.49 = 1,708.07 : x
  2. Step 2: Convert to fraction form
    5,603.66/8,405.49 = 1,708.07/x
  3. Step 3: Cross multiply
    5,603.66x = 8,405.49 × 1,708.07
  4. Step 4: Simplify right side
    5,603.66x = 14,357,165.30
  5. Step 5: Solve for x
    x = 14,357,165.30/5,603.66
  6. Step 6: Final answer
    x = 2,562.11

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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.