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Finding the Fourth Proportional to 93,453.56, 128,965.03 and 57,629.24

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Solution

The fourth proportional to 93,453.56, 128,965.03 and 57,629.24 is: 79,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,453.56 : 128,965.03 = 57,629.24 : x
  2. Step 2: Convert to fraction form
    93,453.56/128,965.03 = 57,629.24/x
  3. Step 3: Cross multiply
    93,453.56x = 128,965.03 × 57,629.24
  4. Step 4: Simplify right side
    93,453.56x = 7,432,156,665.48
  5. Step 5: Solve for x
    x = 7,432,156,665.48/93,453.56
  6. Step 6: Final answer
    x = 79,527.81

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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.