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Finding the Fourth Proportional to 58,783.75, 81,111.04 and 34,916.29

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Solution

The fourth proportional to 58,783.75, 81,111.04 and 34,916.29 is: 48,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,783.75 : 81,111.04 = 34,916.29 : x
  2. Step 2: Convert to fraction form
    58,783.75/81,111.04 = 34,916.29/x
  3. Step 3: Cross multiply
    58,783.75x = 81,111.04 × 34,916.29
  4. Step 4: Simplify right side
    58,783.75x = 2,832,096,304.77
  5. Step 5: Solve for x
    x = 2,832,096,304.77/58,783.75
  6. Step 6: Final answer
    x = 48,178.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.