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Finding the Fourth Proportional to 7,164.32, 10,751.04 and 6,623.24

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Solution

The fourth proportional to 7,164.32, 10,751.04 and 6,623.24 is: 9,939.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164.32 : 10,751.04 = 6,623.24 : x
  2. Step 2: Convert to fraction form
    7,164.32/10,751.04 = 6,623.24/x
  3. Step 3: Cross multiply
    7,164.32x = 10,751.04 × 6,623.24
  4. Step 4: Simplify right side
    7,164.32x = 71,206,718.17
  5. Step 5: Solve for x
    x = 71,206,718.17/7,164.32
  6. Step 6: Final answer
    x = 9,939.08

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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.