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Finding the Fourth Proportional to 16,352.40, 24,530.40 and 5,257.20

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Solution

The fourth proportional to 16,352.40, 24,530.40 and 5,257.20 is: 7,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,352.40 : 24,530.40 = 5,257.20 : x
  2. Step 2: Convert to fraction form
    16,352.40/24,530.40 = 5,257.20/x
  3. Step 3: Cross multiply
    16,352.40x = 24,530.40 × 5,257.20
  4. Step 4: Simplify right side
    16,352.40x = 128,961,218.88
  5. Step 5: Solve for x
    x = 128,961,218.88/16,352.40
  6. Step 6: Final answer
    x = 7,886.38

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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.