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Finding the Fourth Proportional to 16,655.64, 24,975.02 and 5,558.36

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Solution

The fourth proportional to 16,655.64, 24,975.02 and 5,558.36 is: 8,334.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,655.64 : 24,975.02 = 5,558.36 : x
  2. Step 2: Convert to fraction form
    16,655.64/24,975.02 = 5,558.36/x
  3. Step 3: Cross multiply
    16,655.64x = 24,975.02 × 5,558.36
  4. Step 4: Simplify right side
    16,655.64x = 138,820,152.17
  5. Step 5: Solve for x
    x = 138,820,152.17/16,655.64
  6. Step 6: Final answer
    x = 8,334.72

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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.