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Finding the Fourth Proportional to 53,662.65, 74,050.74 and 29,787.45

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Solution

The fourth proportional to 53,662.65, 74,050.74 and 29,787.45 is: 41,104.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,662.65 : 74,050.74 = 29,787.45 : x
  2. Step 2: Convert to fraction form
    53,662.65/74,050.74 = 29,787.45/x
  3. Step 3: Cross multiply
    53,662.65x = 74,050.74 × 29,787.45
  4. Step 4: Simplify right side
    53,662.65x = 2,205,782,715.21
  5. Step 5: Solve for x
    x = 2,205,782,715.21/53,662.65
  6. Step 6: Final answer
    x = 41,104.62

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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.