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Finding the Fourth Proportional to 67,673.28, 93,299.64 and 55,529.28

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Solution

The fourth proportional to 67,673.28, 93,299.64 and 55,529.28 is: 76,556.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,673.28 : 93,299.64 = 55,529.28 : x
  2. Step 2: Convert to fraction form
    67,673.28/93,299.64 = 55,529.28/x
  3. Step 3: Cross multiply
    67,673.28x = 93,299.64 × 55,529.28
  4. Step 4: Simplify right side
    67,673.28x = 5,180,861,833.46
  5. Step 5: Solve for x
    x = 5,180,861,833.46/67,673.28
  6. Step 6: Final answer
    x = 76,556.98

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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.