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Finding the Fourth Proportional to 64,452.16, 88,942.64 and 35,770.16

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Solution

The fourth proportional to 64,452.16, 88,942.64 and 35,770.16 is: 49,362.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,452.16 : 88,942.64 = 35,770.16 : x
  2. Step 2: Convert to fraction form
    64,452.16/88,942.64 = 35,770.16/x
  3. Step 3: Cross multiply
    64,452.16x = 88,942.64 × 35,770.16
  4. Step 4: Simplify right side
    64,452.16x = 3,181,492,018.91
  5. Step 5: Solve for x
    x = 3,181,492,018.91/64,452.16
  6. Step 6: Final answer
    x = 49,362.07

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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.