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Finding the Fourth Proportional to 35,330.90, 48,755.66 and 19,415.34

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Solution

The fourth proportional to 35,330.90, 48,755.66 and 19,415.34 is: 26,792.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,330.90 : 48,755.66 = 19,415.34 : x
  2. Step 2: Convert to fraction form
    35,330.90/48,755.66 = 19,415.34/x
  3. Step 3: Cross multiply
    35,330.90x = 48,755.66 × 19,415.34
  4. Step 4: Simplify right side
    35,330.90x = 946,607,618.75
  5. Step 5: Solve for x
    x = 946,607,618.75/35,330.90
  6. Step 6: Final answer
    x = 26,792.63

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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.