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Finding the Fourth Proportional to 56,766.98, 85,149.55 and 19,353.12

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Solution

The fourth proportional to 56,766.98, 85,149.55 and 19,353.12 is: 29,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,766.98 : 85,149.55 = 19,353.12 : x
  2. Step 2: Convert to fraction form
    56,766.98/85,149.55 = 19,353.12/x
  3. Step 3: Cross multiply
    56,766.98x = 85,149.55 × 19,353.12
  4. Step 4: Simplify right side
    56,766.98x = 1,647,909,459.10
  5. Step 5: Solve for x
    x = 1,647,909,459.10/56,766.98
  6. Step 6: Final answer
    x = 29,029.37

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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.