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Finding the Fourth Proportional to 65,283.76, 90,095.22 and 36,998.56

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Solution

The fourth proportional to 65,283.76, 90,095.22 and 36,998.56 is: 51,060.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,283.76 : 90,095.22 = 36,998.56 : x
  2. Step 2: Convert to fraction form
    65,283.76/90,095.22 = 36,998.56/x
  3. Step 3: Cross multiply
    65,283.76x = 90,095.22 × 36,998.56
  4. Step 4: Simplify right side
    65,283.76x = 3,333,393,402.88
  5. Step 5: Solve for x
    x = 3,333,393,402.88/65,283.76
  6. Step 6: Final answer
    x = 51,060.07

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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.