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Finding the Fourth Proportional to 29,148.40, 43,728.54 and 16,674.40

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Solution

The fourth proportional to 29,148.40, 43,728.54 and 16,674.40 is: 25,015.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,148.40 : 43,728.54 = 16,674.40 : x
  2. Step 2: Convert to fraction form
    29,148.40/43,728.54 = 16,674.40/x
  3. Step 3: Cross multiply
    29,148.40x = 43,728.54 × 16,674.40
  4. Step 4: Simplify right side
    29,148.40x = 729,147,167.38
  5. Step 5: Solve for x
    x = 729,147,167.38/29,148.40
  6. Step 6: Final answer
    x = 25,015.00

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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.