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Finding the Fourth Proportional to 63,009.42, 86,949.60 and 37,544.64

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Solution

The fourth proportional to 63,009.42, 86,949.60 and 37,544.64 is: 51,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,009.42 : 86,949.60 = 37,544.64 : x
  2. Step 2: Convert to fraction form
    63,009.42/86,949.60 = 37,544.64/x
  3. Step 3: Cross multiply
    63,009.42x = 86,949.60 × 37,544.64
  4. Step 4: Simplify right side
    63,009.42x = 3,264,491,430.14
  5. Step 5: Solve for x
    x = 3,264,491,430.14/63,009.42
  6. Step 6: Final answer
    x = 51,809.58

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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.