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Finding the Fourth Proportional to 8,211.59, 11,332.00 and 4,674.80

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Solution

The fourth proportional to 8,211.59, 11,332.00 and 4,674.80 is: 6,451.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.59 : 11,332.00 = 4,674.80 : x
  2. Step 2: Convert to fraction form
    8,211.59/11,332.00 = 4,674.80/x
  3. Step 3: Cross multiply
    8,211.59x = 11,332.00 × 4,674.80
  4. Step 4: Simplify right side
    8,211.59x = 52,974,804.03
  5. Step 5: Solve for x
    x = 52,974,804.03/8,211.59
  6. Step 6: Final answer
    x = 6,451.23

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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.