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Finding the Fourth Proportional to 29,878.77, 44,818.17 and 12,329.31

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Solution

The fourth proportional to 29,878.77, 44,818.17 and 12,329.31 is: 18,493.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,878.77 : 44,818.17 = 12,329.31 : x
  2. Step 2: Convert to fraction form
    29,878.77/44,818.17 = 12,329.31/x
  3. Step 3: Cross multiply
    29,878.77x = 44,818.17 × 12,329.31
  4. Step 4: Simplify right side
    29,878.77x = 552,577,111.56
  5. Step 5: Solve for x
    x = 552,577,111.56/29,878.77
  6. Step 6: Final answer
    x = 18,493.97

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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.