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Finding the Fourth Proportional to 64,448.64, 88,932.96 and 36,152.64

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Solution

The fourth proportional to 64,448.64, 88,932.96 and 36,152.64 is: 49,887.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,448.64 : 88,932.96 = 36,152.64 : x
  2. Step 2: Convert to fraction form
    64,448.64/88,932.96 = 36,152.64/x
  3. Step 3: Cross multiply
    64,448.64x = 88,932.96 × 36,152.64
  4. Step 4: Simplify right side
    64,448.64x = 3,215,161,287.01
  5. Step 5: Solve for x
    x = 3,215,161,287.01/64,448.64
  6. Step 6: Final answer
    x = 49,887.19

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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.