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Finding the Fourth Proportional to 64,493.28, 96,532.56 and 43,601.76

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Solution

The fourth proportional to 64,493.28, 96,532.56 and 43,601.76 is: 65,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,493.28 : 96,532.56 = 43,601.76 : x
  2. Step 2: Convert to fraction form
    64,493.28/96,532.56 = 43,601.76/x
  3. Step 3: Cross multiply
    64,493.28x = 96,532.56 × 43,601.76
  4. Step 4: Simplify right side
    64,493.28x = 4,208,989,513.31
  5. Step 5: Solve for x
    x = 4,208,989,513.31/64,493.28
  6. Step 6: Final answer
    x = 65,262.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.