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Finding the Fourth Proportional to 29,208.40, 43,812.60 and 16,723.60

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Solution

The fourth proportional to 29,208.40, 43,812.60 and 16,723.60 is: 25,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,208.40 : 43,812.60 = 16,723.60 : x
  2. Step 2: Convert to fraction form
    29,208.40/43,812.60 = 16,723.60/x
  3. Step 3: Cross multiply
    29,208.40x = 43,812.60 × 16,723.60
  4. Step 4: Simplify right side
    29,208.40x = 732,704,397.36
  5. Step 5: Solve for x
    x = 732,704,397.36/29,208.40
  6. Step 6: Final answer
    x = 25,085.40

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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.