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Finding the Fourth Proportional to 30,845.92, 46,257.90 and 11,119.18

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Solution

The fourth proportional to 30,845.92, 46,257.90 and 11,119.18 is: 16,674.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,845.92 : 46,257.90 = 11,119.18 : x
  2. Step 2: Convert to fraction form
    30,845.92/46,257.90 = 11,119.18/x
  3. Step 3: Cross multiply
    30,845.92x = 46,257.90 × 11,119.18
  4. Step 4: Simplify right side
    30,845.92x = 514,349,916.52
  5. Step 5: Solve for x
    x = 514,349,916.52/30,845.92
  6. Step 6: Final answer
    x = 16,674.81

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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.