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Finding the Fourth Proportional to 42,603.40, 63,933.90 and 23,883.40

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Solution

The fourth proportional to 42,603.40, 63,933.90 and 23,883.40 is: 35,841.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,603.40 : 63,933.90 = 23,883.40 : x
  2. Step 2: Convert to fraction form
    42,603.40/63,933.90 = 23,883.40/x
  3. Step 3: Cross multiply
    42,603.40x = 63,933.90 × 23,883.40
  4. Step 4: Simplify right side
    42,603.40x = 1,526,958,907.26
  5. Step 5: Solve for x
    x = 1,526,958,907.26/42,603.40
  6. Step 6: Final answer
    x = 35,841.25

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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.