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Finding the Fourth Proportional to 66,285.25, 91,473.66 and 36,477.25

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Solution

The fourth proportional to 66,285.25, 91,473.66 and 36,477.25 is: 50,338.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,285.25 : 91,473.66 = 36,477.25 : x
  2. Step 2: Convert to fraction form
    66,285.25/91,473.66 = 36,477.25/x
  3. Step 3: Cross multiply
    66,285.25x = 91,473.66 × 36,477.25
  4. Step 4: Simplify right side
    66,285.25x = 3,336,707,564.24
  5. Step 5: Solve for x
    x = 3,336,707,564.24/66,285.25
  6. Step 6: Final answer
    x = 50,338.61

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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.