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Finding the Fourth Proportional to 59,362.06, 89,042.90 and 45,872.86

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Solution

The fourth proportional to 59,362.06, 89,042.90 and 45,872.86 is: 68,809.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,362.06 : 89,042.90 = 45,872.86 : x
  2. Step 2: Convert to fraction form
    59,362.06/89,042.90 = 45,872.86/x
  3. Step 3: Cross multiply
    59,362.06x = 89,042.90 × 45,872.86
  4. Step 4: Simplify right side
    59,362.06x = 4,084,652,485.69
  5. Step 5: Solve for x
    x = 4,084,652,485.69/59,362.06
  6. Step 6: Final answer
    x = 68,809.14

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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.