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Finding the Fourth Proportional to 62,338.72, 86,005.28 and 36,839.68

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Solution

The fourth proportional to 62,338.72, 86,005.28 and 36,839.68 is: 50,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,338.72 : 86,005.28 = 36,839.68 : x
  2. Step 2: Convert to fraction form
    62,338.72/86,005.28 = 36,839.68/x
  3. Step 3: Cross multiply
    62,338.72x = 86,005.28 × 36,839.68
  4. Step 4: Simplify right side
    62,338.72x = 3,168,406,993.51
  5. Step 5: Solve for x
    x = 3,168,406,993.51/62,338.72
  6. Step 6: Final answer
    x = 50,825.67

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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.