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Finding the Fourth Proportional to 32,958.94, 49,430.64 and 12,967.71

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Solution

The fourth proportional to 32,958.94, 49,430.64 and 12,967.71 is: 19,448.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,958.94 : 49,430.64 = 12,967.71 : x
  2. Step 2: Convert to fraction form
    32,958.94/49,430.64 = 12,967.71/x
  3. Step 3: Cross multiply
    32,958.94x = 49,430.64 × 12,967.71
  4. Step 4: Simplify right side
    32,958.94x = 641,002,431.98
  5. Step 5: Solve for x
    x = 641,002,431.98/32,958.94
  6. Step 6: Final answer
    x = 19,448.51

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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.