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Finding the Fourth Proportional to 21,375.92, 32,066.92 and 6,586.04

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Solution

The fourth proportional to 21,375.92, 32,066.92 and 6,586.04 is: 9,880.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375.92 : 32,066.92 = 6,586.04 : x
  2. Step 2: Convert to fraction form
    21,375.92/32,066.92 = 6,586.04/x
  3. Step 3: Cross multiply
    21,375.92x = 32,066.92 × 6,586.04
  4. Step 4: Simplify right side
    21,375.92x = 211,194,017.80
  5. Step 5: Solve for x
    x = 211,194,017.80/21,375.92
  6. Step 6: Final answer
    x = 9,880.00

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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.