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Finding the Fourth Proportional to 53,662.66, 74,050.76 and 29,787.44

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Solution

The fourth proportional to 53,662.66, 74,050.76 and 29,787.44 is: 41,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,662.66 : 74,050.76 = 29,787.44 : x
  2. Step 2: Convert to fraction form
    53,662.66/74,050.76 = 29,787.44/x
  3. Step 3: Cross multiply
    53,662.66x = 74,050.76 × 29,787.44
  4. Step 4: Simplify right side
    53,662.66x = 2,205,782,570.45
  5. Step 5: Solve for x
    x = 2,205,782,570.45/53,662.66
  6. Step 6: Final answer
    x = 41,104.61

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1.5x scale

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.