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Finding the Fourth Proportional to 21,706.08, 32,558.80 and 6,914.80

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Solution

The fourth proportional to 21,706.08, 32,558.80 and 6,914.80 is: 10,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,706.08 : 32,558.80 = 6,914.80 : x
  2. Step 2: Convert to fraction form
    21,706.08/32,558.80 = 6,914.80/x
  3. Step 3: Cross multiply
    21,706.08x = 32,558.80 × 6,914.80
  4. Step 4: Simplify right side
    21,706.08x = 225,137,590.24
  5. Step 5: Solve for x
    x = 225,137,590.24/21,706.08
  6. Step 6: Final answer
    x = 10,372.10

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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.