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Finding the Fourth Proportional to 6,217.87, 8,582.47 and 4,967.63

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Solution

The fourth proportional to 6,217.87, 8,582.47 and 4,967.63 is: 6,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.87 : 8,582.47 = 4,967.63 : x
  2. Step 2: Convert to fraction form
    6,217.87/8,582.47 = 4,967.63/x
  3. Step 3: Cross multiply
    6,217.87x = 8,582.47 × 4,967.63
  4. Step 4: Simplify right side
    6,217.87x = 42,634,535.45
  5. Step 5: Solve for x
    x = 42,634,535.45/6,217.87
  6. Step 6: Final answer
    x = 6,856.77

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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.