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Finding the Fourth Proportional to 62,955.66, 86,878.53 and 34,661.33

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Solution

The fourth proportional to 62,955.66, 86,878.53 and 34,661.33 is: 47,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,955.66 : 86,878.53 = 34,661.33 : x
  2. Step 2: Convert to fraction form
    62,955.66/86,878.53 = 34,661.33/x
  3. Step 3: Cross multiply
    62,955.66x = 86,878.53 × 34,661.33
  4. Step 4: Simplify right side
    62,955.66x = 3,011,324,963.85
  5. Step 5: Solve for x
    x = 3,011,324,963.85/62,955.66
  6. Step 6: Final answer
    x = 47,832.47

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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.