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Finding the Fourth Proportional to 57,816.64, 86,724.96 and 16,263.64

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Solution

The fourth proportional to 57,816.64, 86,724.96 and 16,263.64 is: 24,395.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,816.64 : 86,724.96 = 16,263.64 : x
  2. Step 2: Convert to fraction form
    57,816.64/86,724.96 = 16,263.64/x
  3. Step 3: Cross multiply
    57,816.64x = 86,724.96 × 16,263.64
  4. Step 4: Simplify right side
    57,816.64x = 1,410,463,528.45
  5. Step 5: Solve for x
    x = 1,410,463,528.45/57,816.64
  6. Step 6: Final answer
    x = 24,395.46

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1.5x scale

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.