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Finding the Fourth Proportional to 53,885.27, 80,827.90 and 16,445.54

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Solution

The fourth proportional to 53,885.27, 80,827.90 and 16,445.54 is: 24,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,885.27 : 80,827.90 = 16,445.54 : x
  2. Step 2: Convert to fraction form
    53,885.27/80,827.90 = 16,445.54/x
  3. Step 3: Cross multiply
    53,885.27x = 80,827.90 × 16,445.54
  4. Step 4: Simplify right side
    53,885.27x = 1,329,258,017.31
  5. Step 5: Solve for x
    x = 1,329,258,017.31/53,885.27
  6. Step 6: Final answer
    x = 24,668.30

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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.