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Finding the Fourth Proportional to 53,886.57, 80,829.87 and 16,446.85

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Solution

The fourth proportional to 53,886.57, 80,829.87 and 16,446.85 is: 24,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,886.57 : 80,829.87 = 16,446.85 : x
  2. Step 2: Convert to fraction form
    53,886.57/80,829.87 = 16,446.85/x
  3. Step 3: Cross multiply
    53,886.57x = 80,829.87 × 16,446.85
  4. Step 4: Simplify right side
    53,886.57x = 1,329,396,483.66
  5. Step 5: Solve for x
    x = 1,329,396,483.66/53,886.57
  6. Step 6: Final answer
    x = 24,670.28

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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.