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Finding the Fourth Proportional to 26,582.20, 39,879.98 and 9,052.20

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Solution

The fourth proportional to 26,582.20, 39,879.98 and 9,052.20 is: 13,580.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,582.20 : 39,879.98 = 9,052.20 : x
  2. Step 2: Convert to fraction form
    26,582.20/39,879.98 = 9,052.20/x
  3. Step 3: Cross multiply
    26,582.20x = 39,879.98 × 9,052.20
  4. Step 4: Simplify right side
    26,582.20x = 361,001,554.96
  5. Step 5: Solve for x
    x = 361,001,554.96/26,582.20
  6. Step 6: Final answer
    x = 13,580.57

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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.