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Finding the Fourth Proportional to 31,057.05, 46,579.05 and 9,998.97

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Solution

The fourth proportional to 31,057.05, 46,579.05 and 9,998.97 is: 14,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,057.05 : 46,579.05 = 9,998.97 : x
  2. Step 2: Convert to fraction form
    31,057.05/46,579.05 = 9,998.97/x
  3. Step 3: Cross multiply
    31,057.05x = 46,579.05 × 9,998.97
  4. Step 4: Simplify right side
    31,057.05x = 465,742,523.58
  5. Step 5: Solve for x
    x = 465,742,523.58/31,057.05
  6. Step 6: Final answer
    x = 14,996.35

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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.