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Finding the Fourth Proportional to 53,884.54, 74,391.51 and 36,009.82

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Solution

The fourth proportional to 53,884.54, 74,391.51 and 36,009.82 is: 49,714.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,884.54 : 74,391.51 = 36,009.82 : x
  2. Step 2: Convert to fraction form
    53,884.54/74,391.51 = 36,009.82/x
  3. Step 3: Cross multiply
    53,884.54x = 74,391.51 × 36,009.82
  4. Step 4: Simplify right side
    53,884.54x = 2,678,824,884.63
  5. Step 5: Solve for x
    x = 2,678,824,884.63/53,884.54
  6. Step 6: Final answer
    x = 49,714.16

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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.