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Finding the Fourth Proportional to 8,210.91, 11,330.91 and 4,674.06

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Solution

The fourth proportional to 8,210.91, 11,330.91 and 4,674.06 is: 6,450.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.91 : 11,330.91 = 4,674.06 : x
  2. Step 2: Convert to fraction form
    8,210.91/11,330.91 = 4,674.06/x
  3. Step 3: Cross multiply
    8,210.91x = 11,330.91 × 4,674.06
  4. Step 4: Simplify right side
    8,210.91x = 52,961,353.19
  5. Step 5: Solve for x
    x = 52,961,353.19/8,210.91
  6. Step 6: Final answer
    x = 6,450.12

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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.