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Finding the Fourth Proportional to 15,670.08, 23,500.08 and 8,270.28

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Solution

The fourth proportional to 15,670.08, 23,500.08 and 8,270.28 is: 12,402.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.08 : 23,500.08 = 8,270.28 : x
  2. Step 2: Convert to fraction form
    15,670.08/23,500.08 = 8,270.28/x
  3. Step 3: Cross multiply
    15,670.08x = 23,500.08 × 8,270.28
  4. Step 4: Simplify right side
    15,670.08x = 194,352,241.62
  5. Step 5: Solve for x
    x = 194,352,241.62/15,670.08
  6. Step 6: Final answer
    x = 12,402.76

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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.