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Finding the Fourth Proportional to 60,880.74, 91,320.87 and 16,507.37

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Solution

The fourth proportional to 60,880.74, 91,320.87 and 16,507.37 is: 24,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,880.74 : 91,320.87 = 16,507.37 : x
  2. Step 2: Convert to fraction form
    60,880.74/91,320.87 = 16,507.37/x
  3. Step 3: Cross multiply
    60,880.74x = 91,320.87 × 16,507.37
  4. Step 4: Simplify right side
    60,880.74x = 1,507,466,995.11
  5. Step 5: Solve for x
    x = 1,507,466,995.11/60,880.74
  6. Step 6: Final answer
    x = 24,760.98

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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.