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Finding the Fourth Proportional to 34,898.56, 48,152.40 and 19,787.81

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Solution

The fourth proportional to 34,898.56, 48,152.40 and 19,787.81 is: 27,302.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,898.56 : 48,152.40 = 19,787.81 : x
  2. Step 2: Convert to fraction form
    34,898.56/48,152.40 = 19,787.81/x
  3. Step 3: Cross multiply
    34,898.56x = 48,152.40 × 19,787.81
  4. Step 4: Simplify right side
    34,898.56x = 952,830,542.24
  5. Step 5: Solve for x
    x = 952,830,542.24/34,898.56
  6. Step 6: Final answer
    x = 27,302.86

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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.