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Finding the Fourth Proportional to 26,582.40, 39,873.60 and 8,114.40

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Solution

The fourth proportional to 26,582.40, 39,873.60 and 8,114.40 is: 12,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,582.40 : 39,873.60 = 8,114.40 : x
  2. Step 2: Convert to fraction form
    26,582.40/39,873.60 = 8,114.40/x
  3. Step 3: Cross multiply
    26,582.40x = 39,873.60 × 8,114.40
  4. Step 4: Simplify right side
    26,582.40x = 323,550,339.84
  5. Step 5: Solve for x
    x = 323,550,339.84/26,582.40
  6. Step 6: Final answer
    x = 12,171.60

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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.