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Finding the Fourth Proportional to 60,563.20, 90,870 and 27,260.32

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Solution

The fourth proportional to 60,563.20, 90,870 and 27,260.32 is: 40,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,563.20 : 90,870 = 27,260.32 : x
  2. Step 2: Convert to fraction form
    60,563.20/90,870 = 27,260.32/x
  3. Step 3: Cross multiply
    60,563.20x = 90,870 × 27,260.32
  4. Step 4: Simplify right side
    60,563.20x = 2,477,145,278.40
  5. Step 5: Solve for x
    x = 2,477,145,278.40/60,563.20
  6. Step 6: Final answer
    x = 40,901.82

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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.