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Finding the Fourth Proportional to 21,963.98, 32,926.46 and 8,807.42

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Solution

The fourth proportional to 21,963.98, 32,926.46 and 8,807.42 is: 13,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,963.98 : 32,926.46 = 8,807.42 : x
  2. Step 2: Convert to fraction form
    21,963.98/32,926.46 = 8,807.42/x
  3. Step 3: Cross multiply
    21,963.98x = 32,926.46 × 8,807.42
  4. Step 4: Simplify right side
    21,963.98x = 289,996,953.66
  5. Step 5: Solve for x
    x = 289,996,953.66/21,963.98
  6. Step 6: Final answer
    x = 13,203.30

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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.