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Finding the Fourth Proportional to 66,007.52, 91,090.59 and 35,792.82

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Solution

The fourth proportional to 66,007.52, 91,090.59 and 35,792.82 is: 49,394.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,007.52 : 91,090.59 = 35,792.82 : x
  2. Step 2: Convert to fraction form
    66,007.52/91,090.59 = 35,792.82/x
  3. Step 3: Cross multiply
    66,007.52x = 91,090.59 × 35,792.82
  4. Step 4: Simplify right side
    66,007.52x = 3,260,389,091.56
  5. Step 5: Solve for x
    x = 3,260,389,091.56/66,007.52
  6. Step 6: Final answer
    x = 49,394.21

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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.