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Finding the Fourth Proportional to 8,827.12, 13,247.06 and 5,124.42

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Solution

The fourth proportional to 8,827.12, 13,247.06 and 5,124.42 is: 7,690.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827.12 : 13,247.06 = 5,124.42 : x
  2. Step 2: Convert to fraction form
    8,827.12/13,247.06 = 5,124.42/x
  3. Step 3: Cross multiply
    8,827.12x = 13,247.06 × 5,124.42
  4. Step 4: Simplify right side
    8,827.12x = 67,883,499.21
  5. Step 5: Solve for x
    x = 67,883,499.21/8,827.12
  6. Step 6: Final answer
    x = 7,690.33

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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.