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Finding the Fourth Proportional to 62,955.76, 86,879.28 and 34,661.46

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Solution

The fourth proportional to 62,955.76, 86,879.28 and 34,661.46 is: 47,833.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,955.76 : 86,879.28 = 34,661.46 : x
  2. Step 2: Convert to fraction form
    62,955.76/86,879.28 = 34,661.46/x
  3. Step 3: Cross multiply
    62,955.76x = 86,879.28 × 34,661.46
  4. Step 4: Simplify right side
    62,955.76x = 3,011,362,688.55
  5. Step 5: Solve for x
    x = 3,011,362,688.55/62,955.76
  6. Step 6: Final answer
    x = 47,833.00

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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.