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Finding the Fourth Proportional to 15,969, 23,956.39 and 6,603.93

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Solution

The fourth proportional to 15,969, 23,956.39 and 6,603.93 is: 9,907.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,969 : 23,956.39 = 6,603.93 : x
  2. Step 2: Convert to fraction form
    15,969/23,956.39 = 6,603.93/x
  3. Step 3: Cross multiply
    15,969x = 23,956.39 × 6,603.93
  4. Step 4: Simplify right side
    15,969x = 158,206,322.61
  5. Step 5: Solve for x
    x = 158,206,322.61/15,969
  6. Step 6: Final answer
    x = 9,907.09

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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.