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Finding the Fourth Proportional to 62,541.59, 86,322.58 and 38,653.88

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Solution

The fourth proportional to 62,541.59, 86,322.58 and 38,653.88 is: 53,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,541.59 : 86,322.58 = 38,653.88 : x
  2. Step 2: Convert to fraction form
    62,541.59/86,322.58 = 38,653.88/x
  3. Step 3: Cross multiply
    62,541.59x = 86,322.58 × 38,653.88
  4. Step 4: Simplify right side
    62,541.59x = 3,336,702,120.36
  5. Step 5: Solve for x
    x = 3,336,702,120.36/62,541.59
  6. Step 6: Final answer
    x = 53,351.74

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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.