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Finding the Fourth Proportional to 66,609.42, 99,911.39 and 37,008.38

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Solution

The fourth proportional to 66,609.42, 99,911.39 and 37,008.38 is: 55,511.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,609.42 : 99,911.39 = 37,008.38 : x
  2. Step 2: Convert to fraction form
    66,609.42/99,911.39 = 37,008.38/x
  3. Step 3: Cross multiply
    66,609.42x = 99,911.39 × 37,008.38
  4. Step 4: Simplify right side
    66,609.42x = 3,697,558,002.85
  5. Step 5: Solve for x
    x = 3,697,558,002.85/66,609.42
  6. Step 6: Final answer
    x = 55,511.04

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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.