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Finding the Fourth Proportional to 8,523.18, 12,792.06 and 4,829.04

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Solution

The fourth proportional to 8,523.18, 12,792.06 and 4,829.04 is: 7,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.18 : 12,792.06 = 4,829.04 : x
  2. Step 2: Convert to fraction form
    8,523.18/12,792.06 = 4,829.04/x
  3. Step 3: Cross multiply
    8,523.18x = 12,792.06 × 4,829.04
  4. Step 4: Simplify right side
    8,523.18x = 61,773,369.42
  5. Step 5: Solve for x
    x = 61,773,369.42/8,523.18
  6. Step 6: Final answer
    x = 7,247.69

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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.