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Finding the Fourth Proportional to 64,767.44, 88,796.50 and 63,586.64

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Solution

The fourth proportional to 64,767.44, 88,796.50 and 63,586.64 is: 87,177.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,767.44 : 88,796.50 = 63,586.64 : x
  2. Step 2: Convert to fraction form
    64,767.44/88,796.50 = 63,586.64/x
  3. Step 3: Cross multiply
    64,767.44x = 88,796.50 × 63,586.64
  4. Step 4: Simplify right side
    64,767.44x = 5,646,271,078.76
  5. Step 5: Solve for x
    x = 5,646,271,078.76/64,767.44
  6. Step 6: Final answer
    x = 87,177.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.