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Finding the Fourth Proportional to 66,605.91, 99,906.05 and 37,004.87

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Solution

The fourth proportional to 66,605.91, 99,906.05 and 37,004.87 is: 55,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,605.91 : 99,906.05 = 37,004.87 : x
  2. Step 2: Convert to fraction form
    66,605.91/99,906.05 = 37,004.87/x
  3. Step 3: Cross multiply
    66,605.91x = 99,906.05 × 37,004.87
  4. Step 4: Simplify right side
    66,605.91x = 3,697,009,707.91
  5. Step 5: Solve for x
    x = 3,697,009,707.91/66,605.91
  6. Step 6: Final answer
    x = 55,505.73

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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.