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Finding the Fourth Proportional to 21,737.98, 32,606.60 and 6,946.80

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Solution

The fourth proportional to 21,737.98, 32,606.60 and 6,946.80 is: 10,420.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,737.98 : 32,606.60 = 6,946.80 : x
  2. Step 2: Convert to fraction form
    21,737.98/32,606.60 = 6,946.80/x
  3. Step 3: Cross multiply
    21,737.98x = 32,606.60 × 6,946.80
  4. Step 4: Simplify right side
    21,737.98x = 226,511,528.88
  5. Step 5: Solve for x
    x = 226,511,528.88/21,737.98
  6. Step 6: Final answer
    x = 10,420.08

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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.