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Finding the Fourth Proportional to 46,603.44, 69,915.96 and 13,323.96

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Solution

The fourth proportional to 46,603.44, 69,915.96 and 13,323.96 is: 19,989.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,603.44 : 69,915.96 = 13,323.96 : x
  2. Step 2: Convert to fraction form
    46,603.44/69,915.96 = 13,323.96/x
  3. Step 3: Cross multiply
    46,603.44x = 69,915.96 × 13,323.96
  4. Step 4: Simplify right side
    46,603.44x = 931,557,454.40
  5. Step 5: Solve for x
    x = 931,557,454.40/46,603.44
  6. Step 6: Final answer
    x = 19,989.03

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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.