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Finding the Fourth Proportional to 55,794.76, 76,996.42 and 33,438.76

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Solution

The fourth proportional to 55,794.76, 76,996.42 and 33,438.76 is: 46,145.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,794.76 : 76,996.42 = 33,438.76 : x
  2. Step 2: Convert to fraction form
    55,794.76/76,996.42 = 33,438.76/x
  3. Step 3: Cross multiply
    55,794.76x = 76,996.42 × 33,438.76
  4. Step 4: Simplify right side
    55,794.76x = 2,574,664,809.24
  5. Step 5: Solve for x
    x = 2,574,664,809.24/55,794.76
  6. Step 6: Final answer
    x = 46,145.28

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1.5x scale

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.