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Finding the Fourth Proportional to 34,365.40, 51,540.90 and 16,847.80

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Solution

The fourth proportional to 34,365.40, 51,540.90 and 16,847.80 is: 25,268.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,365.40 : 51,540.90 = 16,847.80 : x
  2. Step 2: Convert to fraction form
    34,365.40/51,540.90 = 16,847.80/x
  3. Step 3: Cross multiply
    34,365.40x = 51,540.90 × 16,847.80
  4. Step 4: Simplify right side
    34,365.40x = 868,350,775.02
  5. Step 5: Solve for x
    x = 868,350,775.02/34,365.40
  6. Step 6: Final answer
    x = 25,268.17

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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.