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Finding the Fourth Proportional to 66,296.01, 99,462.57 and 21,953.97

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Solution

The fourth proportional to 66,296.01, 99,462.57 and 21,953.97 is: 32,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,296.01 : 99,462.57 = 21,953.97 : x
  2. Step 2: Convert to fraction form
    66,296.01/99,462.57 = 21,953.97/x
  3. Step 3: Cross multiply
    66,296.01x = 99,462.57 × 21,953.97
  4. Step 4: Simplify right side
    66,296.01x = 2,183,598,277.90
  5. Step 5: Solve for x
    x = 2,183,598,277.90/66,296.01
  6. Step 6: Final answer
    x = 32,937.10

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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.