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Finding the Fourth Proportional to 44,912, 61,978.56 and 25,040

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Solution

The fourth proportional to 44,912, 61,978.56 and 25,040 is: 34,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,912 : 61,978.56 = 25,040 : x
  2. Step 2: Convert to fraction form
    44,912/61,978.56 = 25,040/x
  3. Step 3: Cross multiply
    44,912x = 61,978.56 × 25,040
  4. Step 4: Simplify right side
    44,912x = 1,551,943,142.40
  5. Step 5: Solve for x
    x = 1,551,943,142.40/44,912
  6. Step 6: Final answer
    x = 34,555.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.