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Finding the Fourth Proportional to 29,047.80, 40,068.54 and 17,850.36

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Solution

The fourth proportional to 29,047.80, 40,068.54 and 17,850.36 is: 24,622.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,047.80 : 40,068.54 = 17,850.36 : x
  2. Step 2: Convert to fraction form
    29,047.80/40,068.54 = 17,850.36/x
  3. Step 3: Cross multiply
    29,047.80x = 40,068.54 × 17,850.36
  4. Step 4: Simplify right side
    29,047.80x = 715,237,863.67
  5. Step 5: Solve for x
    x = 715,237,863.67/29,047.80
  6. Step 6: Final answer
    x = 24,622.79

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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.