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Finding the Fourth Proportional to 21,596.16, 32,395.59 and 6,805.65

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Solution

The fourth proportional to 21,596.16, 32,395.59 and 6,805.65 is: 10,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,596.16 : 32,395.59 = 6,805.65 : x
  2. Step 2: Convert to fraction form
    21,596.16/32,395.59 = 6,805.65/x
  3. Step 3: Cross multiply
    21,596.16x = 32,395.59 × 6,805.65
  4. Step 4: Simplify right side
    21,596.16x = 220,473,047.08
  5. Step 5: Solve for x
    x = 220,473,047.08/21,596.16
  6. Step 6: Final answer
    x = 10,208.90

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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.