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Finding the Fourth Proportional to 43,274.92, 64,918.94 and 13,682.92

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Solution

The fourth proportional to 43,274.92, 64,918.94 and 13,682.92 is: 20,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,274.92 : 64,918.94 = 13,682.92 : x
  2. Step 2: Convert to fraction form
    43,274.92/64,918.94 = 13,682.92/x
  3. Step 3: Cross multiply
    43,274.92x = 64,918.94 × 13,682.92
  4. Step 4: Simplify right side
    43,274.92x = 888,280,662.50
  5. Step 5: Solve for x
    x = 888,280,662.50/43,274.92
  6. Step 6: Final answer
    x = 20,526.45

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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.