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Finding the Fourth Proportional to 14,642.01, 21,935.46 and 7,237.80

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Solution

The fourth proportional to 14,642.01, 21,935.46 and 7,237.80 is: 10,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642.01 : 21,935.46 = 7,237.80 : x
  2. Step 2: Convert to fraction form
    14,642.01/21,935.46 = 7,237.80/x
  3. Step 3: Cross multiply
    14,642.01x = 21,935.46 × 7,237.80
  4. Step 4: Simplify right side
    14,642.01x = 158,764,472.39
  5. Step 5: Solve for x
    x = 158,764,472.39/14,642.01
  6. Step 6: Final answer
    x = 10,843.08

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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.