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Finding the Fourth Proportional to 8,483.61, 12,712.44 and 4,535.43

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Solution

The fourth proportional to 8,483.61, 12,712.44 and 4,535.43 is: 6,796.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483.61 : 12,712.44 = 4,535.43 : x
  2. Step 2: Convert to fraction form
    8,483.61/12,712.44 = 4,535.43/x
  3. Step 3: Cross multiply
    8,483.61x = 12,712.44 × 4,535.43
  4. Step 4: Simplify right side
    8,483.61x = 57,656,381.75
  5. Step 5: Solve for x
    x = 57,656,381.75/8,483.61
  6. Step 6: Final answer
    x = 6,796.21

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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.