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Finding the Fourth Proportional to 16,655.58, 24,991.47 and 7,880.04

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Solution

The fourth proportional to 16,655.58, 24,991.47 and 7,880.04 is: 11,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,655.58 : 24,991.47 = 7,880.04 : x
  2. Step 2: Convert to fraction form
    16,655.58/24,991.47 = 7,880.04/x
  3. Step 3: Cross multiply
    16,655.58x = 24,991.47 × 7,880.04
  4. Step 4: Simplify right side
    16,655.58x = 196,933,783.26
  5. Step 5: Solve for x
    x = 196,933,783.26/16,655.58
  6. Step 6: Final answer
    x = 11,823.89

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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.