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Finding the Fourth Proportional to 8,275.77, 12,384.50 and 5,764.77

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Solution

The fourth proportional to 8,275.77, 12,384.50 and 5,764.77 is: 8,626.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.77 : 12,384.50 = 5,764.77 : x
  2. Step 2: Convert to fraction form
    8,275.77/12,384.50 = 5,764.77/x
  3. Step 3: Cross multiply
    8,275.77x = 12,384.50 × 5,764.77
  4. Step 4: Simplify right side
    8,275.77x = 71,393,765.24
  5. Step 5: Solve for x
    x = 71,393,765.24/8,275.77
  6. Step 6: Final answer
    x = 8,626.84

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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.