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Finding the Fourth Proportional to 35,419.60, 48,878.99 and 19,503.94

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Solution

The fourth proportional to 35,419.60, 48,878.99 and 19,503.94 is: 26,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,419.60 : 48,878.99 = 19,503.94 : x
  2. Step 2: Convert to fraction form
    35,419.60/48,878.99 = 19,503.94/x
  3. Step 3: Cross multiply
    35,419.60x = 48,878.99 × 19,503.94
  4. Step 4: Simplify right side
    35,419.60x = 953,332,943.00
  5. Step 5: Solve for x
    x = 953,332,943.00/35,419.60
  6. Step 6: Final answer
    x = 26,915.40

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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.