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Finding the Fourth Proportional to 8,973.81, 13,459.94 and 5,462.90

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Solution

The fourth proportional to 8,973.81, 13,459.94 and 5,462.90 is: 8,193.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.81 : 13,459.94 = 5,462.90 : x
  2. Step 2: Convert to fraction form
    8,973.81/13,459.94 = 5,462.90/x
  3. Step 3: Cross multiply
    8,973.81x = 13,459.94 × 5,462.90
  4. Step 4: Simplify right side
    8,973.81x = 73,530,300.98
  5. Step 5: Solve for x
    x = 73,530,300.98/8,973.81
  6. Step 6: Final answer
    x = 8,193.88

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1.5x scale

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.