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Finding the Fourth Proportional to 62,342.31, 86,032.28 and 34,047.99

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Solution

The fourth proportional to 62,342.31, 86,032.28 and 34,047.99 is: 46,986.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,342.31 : 86,032.28 = 34,047.99 : x
  2. Step 2: Convert to fraction form
    62,342.31/86,032.28 = 34,047.99/x
  3. Step 3: Cross multiply
    62,342.31x = 86,032.28 × 34,047.99
  4. Step 4: Simplify right side
    62,342.31x = 2,929,226,038.88
  5. Step 5: Solve for x
    x = 2,929,226,038.88/62,342.31
  6. Step 6: Final answer
    x = 46,986.16

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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.