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Finding the Fourth Proportional to 62,794.81, 86,661.66 and 35,945.74

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Solution

The fourth proportional to 62,794.81, 86,661.66 and 35,945.74 is: 49,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,794.81 : 86,661.66 = 35,945.74 : x
  2. Step 2: Convert to fraction form
    62,794.81/86,661.66 = 35,945.74/x
  3. Step 3: Cross multiply
    62,794.81x = 86,661.66 × 35,945.74
  4. Step 4: Simplify right side
    62,794.81x = 3,115,117,498.33
  5. Step 5: Solve for x
    x = 3,115,117,498.33/62,794.81
  6. Step 6: Final answer
    x = 49,607.88

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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.