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Finding the Fourth Proportional to 64,354.64, 88,809.32 and 36,060.52

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Solution

The fourth proportional to 64,354.64, 88,809.32 and 36,060.52 is: 49,763.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,354.64 : 88,809.32 = 36,060.52 : x
  2. Step 2: Convert to fraction form
    64,354.64/88,809.32 = 36,060.52/x
  3. Step 3: Cross multiply
    64,354.64x = 88,809.32 × 36,060.52
  4. Step 4: Simplify right side
    64,354.64x = 3,202,510,260.05
  5. Step 5: Solve for x
    x = 3,202,510,260.05/64,354.64
  6. Step 6: Final answer
    x = 49,763.47

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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.