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Finding the Fourth Proportional to 55,796.01, 76,997.10 and 31,921.12

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Solution

The fourth proportional to 55,796.01, 76,997.10 and 31,921.12 is: 44,050.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,796.01 : 76,997.10 = 31,921.12 : x
  2. Step 2: Convert to fraction form
    55,796.01/76,997.10 = 31,921.12/x
  3. Step 3: Cross multiply
    55,796.01x = 76,997.10 × 31,921.12
  4. Step 4: Simplify right side
    55,796.01x = 2,457,833,668.75
  5. Step 5: Solve for x
    x = 2,457,833,668.75/55,796.01
  6. Step 6: Final answer
    x = 44,050.35

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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.