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Finding the Fourth Proportional to 43,292.74, 64,932.62 and 13,706.74

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Solution

The fourth proportional to 43,292.74, 64,932.62 and 13,706.74 is: 20,558.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,292.74 : 64,932.62 = 13,706.74 : x
  2. Step 2: Convert to fraction form
    43,292.74/64,932.62 = 13,706.74/x
  3. Step 3: Cross multiply
    43,292.74x = 64,932.62 × 13,706.74
  4. Step 4: Simplify right side
    43,292.74x = 890,014,471.33
  5. Step 5: Solve for x
    x = 890,014,471.33/43,292.74
  6. Step 6: Final answer
    x = 20,558.05

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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.