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Finding the Fourth Proportional to 16,653.64, 24,980.53 and 4,173.61

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Solution

The fourth proportional to 16,653.64, 24,980.53 and 4,173.61 is: 6,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,653.64 : 24,980.53 = 4,173.61 : x
  2. Step 2: Convert to fraction form
    16,653.64/24,980.53 = 4,173.61/x
  3. Step 3: Cross multiply
    16,653.64x = 24,980.53 × 4,173.61
  4. Step 4: Simplify right side
    16,653.64x = 104,258,989.81
  5. Step 5: Solve for x
    x = 104,258,989.81/16,653.64
  6. Step 6: Final answer
    x = 6,260.43

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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.