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Finding the Fourth Proportional to 64,342.71, 88,763.34 and 41,689.26

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Solution

The fourth proportional to 64,342.71, 88,763.34 and 41,689.26 is: 57,512.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,342.71 : 88,763.34 = 41,689.26 : x
  2. Step 2: Convert to fraction form
    64,342.71/88,763.34 = 41,689.26/x
  3. Step 3: Cross multiply
    64,342.71x = 88,763.34 × 41,689.26
  4. Step 4: Simplify right side
    64,342.71x = 3,700,477,959.73
  5. Step 5: Solve for x
    x = 3,700,477,959.73/64,342.71
  6. Step 6: Final answer
    x = 57,512.00

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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.