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Finding the Fourth Proportional to 62,340.64, 86,032.32 and 34,047.52

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Solution

The fourth proportional to 62,340.64, 86,032.32 and 34,047.52 is: 46,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,340.64 : 86,032.32 = 34,047.52 : x
  2. Step 2: Convert to fraction form
    62,340.64/86,032.32 = 34,047.52/x
  3. Step 3: Cross multiply
    62,340.64x = 86,032.32 × 34,047.52
  4. Step 4: Simplify right side
    62,340.64x = 2,929,187,135.85
  5. Step 5: Solve for x
    x = 2,929,187,135.85/62,340.64
  6. Step 6: Final answer
    x = 46,986.80

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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.