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Finding the Fourth Proportional to 29,293.13, 43,947.18 and 8,516.63

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Solution

The fourth proportional to 29,293.13, 43,947.18 and 8,516.63 is: 12,777.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,293.13 : 43,947.18 = 8,516.63 : x
  2. Step 2: Convert to fraction form
    29,293.13/43,947.18 = 8,516.63/x
  3. Step 3: Cross multiply
    29,293.13x = 43,947.18 × 8,516.63
  4. Step 4: Simplify right side
    29,293.13x = 374,281,871.60
  5. Step 5: Solve for x
    x = 374,281,871.60/29,293.13
  6. Step 6: Final answer
    x = 12,777.12

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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.