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Finding the Fourth Proportional to 62,585.82, 93,870.09 and 21,027.42

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Solution

The fourth proportional to 62,585.82, 93,870.09 and 21,027.42 is: 31,538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,585.82 : 93,870.09 = 21,027.42 : x
  2. Step 2: Convert to fraction form
    62,585.82/93,870.09 = 21,027.42/x
  3. Step 3: Cross multiply
    62,585.82x = 93,870.09 × 21,027.42
  4. Step 4: Simplify right side
    62,585.82x = 1,973,845,807.87
  5. Step 5: Solve for x
    x = 1,973,845,807.87/62,585.82
  6. Step 6: Final answer
    x = 31,538.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.