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Finding the Fourth Proportional to 26,508.40, 39,762.60 and 22,231.60

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Solution

The fourth proportional to 26,508.40, 39,762.60 and 22,231.60 is: 33,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,508.40 : 39,762.60 = 22,231.60 : x
  2. Step 2: Convert to fraction form
    26,508.40/39,762.60 = 22,231.60/x
  3. Step 3: Cross multiply
    26,508.40x = 39,762.60 × 22,231.60
  4. Step 4: Simplify right side
    26,508.40x = 883,986,218.16
  5. Step 5: Solve for x
    x = 883,986,218.16/26,508.40
  6. Step 6: Final answer
    x = 33,347.40

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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.