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Finding the Fourth Proportional to 43,377.84, 59,904 and 29,983.68

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Solution

The fourth proportional to 43,377.84, 59,904 and 29,983.68 is: 41,406.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,377.84 : 59,904 = 29,983.68 : x
  2. Step 2: Convert to fraction form
    43,377.84/59,904 = 29,983.68/x
  3. Step 3: Cross multiply
    43,377.84x = 59,904 × 29,983.68
  4. Step 4: Simplify right side
    43,377.84x = 1,796,142,366.72
  5. Step 5: Solve for x
    x = 1,796,142,366.72/43,377.84
  6. Step 6: Final answer
    x = 41,406.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.