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Finding the Fourth Proportional to 64,568.50, 89,104.20 and 35,888.02

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Solution

The fourth proportional to 64,568.50, 89,104.20 and 35,888.02 is: 49,525.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,568.50 : 89,104.20 = 35,888.02 : x
  2. Step 2: Convert to fraction form
    64,568.50/89,104.20 = 35,888.02/x
  3. Step 3: Cross multiply
    64,568.50x = 89,104.20 × 35,888.02
  4. Step 4: Simplify right side
    64,568.50x = 3,197,773,311.68
  5. Step 5: Solve for x
    x = 3,197,773,311.68/64,568.50
  6. Step 6: Final answer
    x = 49,525.28

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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.