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Finding the Fourth Proportional to 15,217.08, 22,832.88 and 6,899.64

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Solution

The fourth proportional to 15,217.08, 22,832.88 and 6,899.64 is: 10,352.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.08 : 22,832.88 = 6,899.64 : x
  2. Step 2: Convert to fraction form
    15,217.08/22,832.88 = 6,899.64/x
  3. Step 3: Cross multiply
    15,217.08x = 22,832.88 × 6,899.64
  4. Step 4: Simplify right side
    15,217.08x = 157,538,652.16
  5. Step 5: Solve for x
    x = 157,538,652.16/15,217.08
  6. Step 6: Final answer
    x = 10,352.75

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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.