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Finding the Fourth Proportional to 64,354.03, 88,808.40 and 36,059.72

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Solution

The fourth proportional to 64,354.03, 88,808.40 and 36,059.72 is: 49,762.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,354.03 : 88,808.40 = 36,059.72 : x
  2. Step 2: Convert to fraction form
    64,354.03/88,808.40 = 36,059.72/x
  3. Step 3: Cross multiply
    64,354.03x = 88,808.40 × 36,059.72
  4. Step 4: Simplify right side
    64,354.03x = 3,202,405,593.61
  5. Step 5: Solve for x
    x = 3,202,405,593.61/64,354.03
  6. Step 6: Final answer
    x = 49,762.32

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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.