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Finding the Fourth Proportional to 8,219.66, 12,332.58 and 4,935.04

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Solution

The fourth proportional to 8,219.66, 12,332.58 and 4,935.04 is: 7,404.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.66 : 12,332.58 = 4,935.04 : x
  2. Step 2: Convert to fraction form
    8,219.66/12,332.58 = 4,935.04/x
  3. Step 3: Cross multiply
    8,219.66x = 12,332.58 × 4,935.04
  4. Step 4: Simplify right side
    8,219.66x = 60,861,744.77
  5. Step 5: Solve for x
    x = 60,861,744.77/8,219.66
  6. Step 6: Final answer
    x = 7,404.42

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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.