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Finding the Fourth Proportional to 16,475.60, 24,679.80 and 10,216.40

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Solution

The fourth proportional to 16,475.60, 24,679.80 and 10,216.40 is: 15,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,475.60 : 24,679.80 = 10,216.40 : x
  2. Step 2: Convert to fraction form
    16,475.60/24,679.80 = 10,216.40/x
  3. Step 3: Cross multiply
    16,475.60x = 24,679.80 × 10,216.40
  4. Step 4: Simplify right side
    16,475.60x = 252,138,708.72
  5. Step 5: Solve for x
    x = 252,138,708.72/16,475.60
  6. Step 6: Final answer
    x = 15,303.76

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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.