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Finding the Fourth Proportional to 64,597.51, 89,134.79 and 36,997.87

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Solution

The fourth proportional to 64,597.51, 89,134.79 and 36,997.87 is: 51,051.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,597.51 : 89,134.79 = 36,997.87 : x
  2. Step 2: Convert to fraction form
    64,597.51/89,134.79 = 36,997.87/x
  3. Step 3: Cross multiply
    64,597.51x = 89,134.79 × 36,997.87
  4. Step 4: Simplify right side
    64,597.51x = 3,297,797,331.29
  5. Step 5: Solve for x
    x = 3,297,797,331.29/64,597.51
  6. Step 6: Final answer
    x = 51,051.46

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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.