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Finding the Fourth Proportional to 60,495.37, 90,724.84 and 28,889.13

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Solution

The fourth proportional to 60,495.37, 90,724.84 and 28,889.13 is: 43,325.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,495.37 : 90,724.84 = 28,889.13 : x
  2. Step 2: Convert to fraction form
    60,495.37/90,724.84 = 28,889.13/x
  3. Step 3: Cross multiply
    60,495.37x = 90,724.84 × 28,889.13
  4. Step 4: Simplify right side
    60,495.37x = 2,620,961,696.99
  5. Step 5: Solve for x
    x = 2,620,961,696.99/60,495.37
  6. Step 6: Final answer
    x = 43,325.00

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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.