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Finding the Fourth Proportional to 8,582.70, 11,841.36 and 4,805.30

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Solution

The fourth proportional to 8,582.70, 11,841.36 and 4,805.30 is: 6,629.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.70 : 11,841.36 = 4,805.30 : x
  2. Step 2: Convert to fraction form
    8,582.70/11,841.36 = 4,805.30/x
  3. Step 3: Cross multiply
    8,582.70x = 11,841.36 × 4,805.30
  4. Step 4: Simplify right side
    8,582.70x = 56,901,287.21
  5. Step 5: Solve for x
    x = 56,901,287.21/8,582.70
  6. Step 6: Final answer
    x = 6,629.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.