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Finding the Fourth Proportional to 42,454.50, 58,588.40 and 25,461.50

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Solution

The fourth proportional to 42,454.50, 58,588.40 and 25,461.50 is: 35,137.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,454.50 : 58,588.40 = 25,461.50 : x
  2. Step 2: Convert to fraction form
    42,454.50/58,588.40 = 25,461.50/x
  3. Step 3: Cross multiply
    42,454.50x = 58,588.40 × 25,461.50
  4. Step 4: Simplify right side
    42,454.50x = 1,491,748,546.60
  5. Step 5: Solve for x
    x = 1,491,748,546.60/42,454.50
  6. Step 6: Final answer
    x = 35,137.58

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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.