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Finding the Fourth Proportional to 30,676.71, 46,015.65 and 9,616.29

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Solution

The fourth proportional to 30,676.71, 46,015.65 and 9,616.29 is: 14,424.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,676.71 : 46,015.65 = 9,616.29 : x
  2. Step 2: Convert to fraction form
    30,676.71/46,015.65 = 9,616.29/x
  3. Step 3: Cross multiply
    30,676.71x = 46,015.65 × 9,616.29
  4. Step 4: Simplify right side
    30,676.71x = 442,499,662.38
  5. Step 5: Solve for x
    x = 442,499,662.38/30,676.71
  6. Step 6: Final answer
    x = 14,424.61

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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.