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Finding the Fourth Proportional to 29,329.94, 43,994.99 and 7,143.28

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Solution

The fourth proportional to 29,329.94, 43,994.99 and 7,143.28 is: 10,714.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,329.94 : 43,994.99 = 7,143.28 : x
  2. Step 2: Convert to fraction form
    29,329.94/43,994.99 = 7,143.28/x
  3. Step 3: Cross multiply
    29,329.94x = 43,994.99 × 7,143.28
  4. Step 4: Simplify right side
    29,329.94x = 314,268,440.04
  5. Step 5: Solve for x
    x = 314,268,440.04/29,329.94
  6. Step 6: Final answer
    x = 10,714.94

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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.