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Finding the Fourth Proportional to 35,322.82, 48,743.13 and 19,406.50

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Solution

The fourth proportional to 35,322.82, 48,743.13 and 19,406.50 is: 26,779.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,322.82 : 48,743.13 = 19,406.50 : x
  2. Step 2: Convert to fraction form
    35,322.82/48,743.13 = 19,406.50/x
  3. Step 3: Cross multiply
    35,322.82x = 48,743.13 × 19,406.50
  4. Step 4: Simplify right side
    35,322.82x = 945,933,552.35
  5. Step 5: Solve for x
    x = 945,933,552.35/35,322.82
  6. Step 6: Final answer
    x = 26,779.67

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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.