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Finding the Fourth Proportional to 66,088.01, 91,198.99 and 35,872.68

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Solution

The fourth proportional to 66,088.01, 91,198.99 and 35,872.68 is: 49,502.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,088.01 : 91,198.99 = 35,872.68 : x
  2. Step 2: Convert to fraction form
    66,088.01/91,198.99 = 35,872.68/x
  3. Step 3: Cross multiply
    66,088.01x = 91,198.99 × 35,872.68
  4. Step 4: Simplify right side
    66,088.01x = 3,271,552,571.43
  5. Step 5: Solve for x
    x = 3,271,552,571.43/66,088.01
  6. Step 6: Final answer
    x = 49,502.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.