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Finding the Fourth Proportional to 8,359.79, 12,523.41 and 4,650.77

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Solution

The fourth proportional to 8,359.79, 12,523.41 and 4,650.77 is: 6,967.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.79 : 12,523.41 = 4,650.77 : x
  2. Step 2: Convert to fraction form
    8,359.79/12,523.41 = 4,650.77/x
  3. Step 3: Cross multiply
    8,359.79x = 12,523.41 × 4,650.77
  4. Step 4: Simplify right side
    8,359.79x = 58,243,530.83
  5. Step 5: Solve for x
    x = 58,243,530.83/8,359.79
  6. Step 6: Final answer
    x = 6,967.11

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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.