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Finding the Fourth Proportional to 40,972.56, 61,460.07 and 16,011.60

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Solution

The fourth proportional to 40,972.56, 61,460.07 and 16,011.60 is: 24,017.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,972.56 : 61,460.07 = 16,011.60 : x
  2. Step 2: Convert to fraction form
    40,972.56/61,460.07 = 16,011.60/x
  3. Step 3: Cross multiply
    40,972.56x = 61,460.07 × 16,011.60
  4. Step 4: Simplify right side
    40,972.56x = 984,074,056.81
  5. Step 5: Solve for x
    x = 984,074,056.81/40,972.56
  6. Step 6: Final answer
    x = 24,017.88

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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.