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Finding the Fourth Proportional to 5,000.96, 6,909.36 and 4,262.72

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Solution

The fourth proportional to 5,000.96, 6,909.36 and 4,262.72 is: 5,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.96 : 6,909.36 = 4,262.72 : x
  2. Step 2: Convert to fraction form
    5,000.96/6,909.36 = 4,262.72/x
  3. Step 3: Cross multiply
    5,000.96x = 6,909.36 × 4,262.72
  4. Step 4: Simplify right side
    5,000.96x = 29,452,667.06
  5. Step 5: Solve for x
    x = 29,452,667.06/5,000.96
  6. Step 6: Final answer
    x = 5,889.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.