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Finding the Fourth Proportional to 15,992.48, 23,988.72 and 6,756.64

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Solution

The fourth proportional to 15,992.48, 23,988.72 and 6,756.64 is: 10,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,992.48 : 23,988.72 = 6,756.64 : x
  2. Step 2: Convert to fraction form
    15,992.48/23,988.72 = 6,756.64/x
  3. Step 3: Cross multiply
    15,992.48x = 23,988.72 × 6,756.64
  4. Step 4: Simplify right side
    15,992.48x = 162,083,145.10
  5. Step 5: Solve for x
    x = 162,083,145.10/15,992.48
  6. Step 6: Final answer
    x = 10,134.96

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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.