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Finding the Fourth Proportional to 45,840.80, 63,257.68 and 25,696.32

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Solution

The fourth proportional to 45,840.80, 63,257.68 and 25,696.32 is: 35,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,840.80 : 63,257.68 = 25,696.32 : x
  2. Step 2: Convert to fraction form
    45,840.80/63,257.68 = 25,696.32/x
  3. Step 3: Cross multiply
    45,840.80x = 63,257.68 × 25,696.32
  4. Step 4: Simplify right side
    45,840.80x = 1,625,489,587.74
  5. Step 5: Solve for x
    x = 1,625,489,587.74/45,840.80
  6. Step 6: Final answer
    x = 35,459.45

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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.