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Finding the Fourth Proportional to 59,360.78, 89,041.24 and 27,806.28

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Solution

The fourth proportional to 59,360.78, 89,041.24 and 27,806.28 is: 41,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,360.78 : 89,041.24 = 27,806.28 : x
  2. Step 2: Convert to fraction form
    59,360.78/89,041.24 = 27,806.28/x
  3. Step 3: Cross multiply
    59,360.78x = 89,041.24 × 27,806.28
  4. Step 4: Simplify right side
    59,360.78x = 2,475,905,650.99
  5. Step 5: Solve for x
    x = 2,475,905,650.99/59,360.78
  6. Step 6: Final answer
    x = 41,709.45

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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.