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Finding the Fourth Proportional to 35,304.57, 48,721.15 and 19,389.36

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Solution

The fourth proportional to 35,304.57, 48,721.15 and 19,389.36 is: 26,757.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,304.57 : 48,721.15 = 19,389.36 : x
  2. Step 2: Convert to fraction form
    35,304.57/48,721.15 = 19,389.36/x
  3. Step 3: Cross multiply
    35,304.57x = 48,721.15 × 19,389.36
  4. Step 4: Simplify right side
    35,304.57x = 944,671,916.96
  5. Step 5: Solve for x
    x = 944,671,916.96/35,304.57
  6. Step 6: Final answer
    x = 26,757.78

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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.