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Finding the Fourth Proportional to 64,903.38, 89,566.66 and 35,095.38

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Solution

The fourth proportional to 64,903.38, 89,566.66 and 35,095.38 is: 48,431.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,903.38 : 89,566.66 = 35,095.38 : x
  2. Step 2: Convert to fraction form
    64,903.38/89,566.66 = 35,095.38/x
  3. Step 3: Cross multiply
    64,903.38x = 89,566.66 × 35,095.38
  4. Step 4: Simplify right side
    64,903.38x = 3,143,375,968.03
  5. Step 5: Solve for x
    x = 3,143,375,968.03/64,903.38
  6. Step 6: Final answer
    x = 48,431.62

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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.