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Finding the Fourth Proportional to 64,958.58, 97,448.09 and 27,518.90

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Solution

The fourth proportional to 64,958.58, 97,448.09 and 27,518.90 is: 41,282.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,958.58 : 97,448.09 = 27,518.90 : x
  2. Step 2: Convert to fraction form
    64,958.58/97,448.09 = 27,518.90/x
  3. Step 3: Cross multiply
    64,958.58x = 97,448.09 × 27,518.90
  4. Step 4: Simplify right side
    64,958.58x = 2,681,663,619.07
  5. Step 5: Solve for x
    x = 2,681,663,619.07/64,958.58
  6. Step 6: Final answer
    x = 41,282.67

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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.