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Finding the Fourth Proportional to 34,978.26, 52,474.68 and 11,603.01

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Solution

The fourth proportional to 34,978.26, 52,474.68 and 11,603.01 is: 17,406.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,978.26 : 52,474.68 = 11,603.01 : x
  2. Step 2: Convert to fraction form
    34,978.26/52,474.68 = 11,603.01/x
  3. Step 3: Cross multiply
    34,978.26x = 52,474.68 × 11,603.01
  4. Step 4: Simplify right side
    34,978.26x = 608,864,236.79
  5. Step 5: Solve for x
    x = 608,864,236.79/34,978.26
  6. Step 6: Final answer
    x = 17,406.93

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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.