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Finding the Fourth Proportional to 30,835.51, 46,251.64 and 8,650.42

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Solution

The fourth proportional to 30,835.51, 46,251.64 and 8,650.42 is: 12,975.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,835.51 : 46,251.64 = 8,650.42 : x
  2. Step 2: Convert to fraction form
    30,835.51/46,251.64 = 8,650.42/x
  3. Step 3: Cross multiply
    30,835.51x = 46,251.64 × 8,650.42
  4. Step 4: Simplify right side
    30,835.51x = 400,096,111.69
  5. Step 5: Solve for x
    x = 400,096,111.69/30,835.51
  6. Step 6: Final answer
    x = 12,975.17

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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.