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Finding the Fourth Proportional to 21,732.78, 32,598.82 and 6,941.60

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Solution

The fourth proportional to 21,732.78, 32,598.82 and 6,941.60 is: 10,412.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,732.78 : 32,598.82 = 6,941.60 : x
  2. Step 2: Convert to fraction form
    21,732.78/32,598.82 = 6,941.60/x
  3. Step 3: Cross multiply
    21,732.78x = 32,598.82 × 6,941.60
  4. Step 4: Simplify right side
    21,732.78x = 226,287,968.91
  5. Step 5: Solve for x
    x = 226,287,968.91/21,732.78
  6. Step 6: Final answer
    x = 10,412.29

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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.