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Finding the Fourth Proportional to 64,082.70, 88,426.58 and 35,400.69

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Solution

The fourth proportional to 64,082.70, 88,426.58 and 35,400.69 is: 48,848.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,082.70 : 88,426.58 = 35,400.69 : x
  2. Step 2: Convert to fraction form
    64,082.70/88,426.58 = 35,400.69/x
  3. Step 3: Cross multiply
    64,082.70x = 88,426.58 × 35,400.69
  4. Step 4: Simplify right side
    64,082.70x = 3,130,361,769.34
  5. Step 5: Solve for x
    x = 3,130,361,769.34/64,082.70
  6. Step 6: Final answer
    x = 48,848.78

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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.