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Finding the Fourth Proportional to 45,885.98, 68,788.20 and 16,299.92

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Solution

The fourth proportional to 45,885.98, 68,788.20 and 16,299.92 is: 24,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,885.98 : 68,788.20 = 16,299.92 : x
  2. Step 2: Convert to fraction form
    45,885.98/68,788.20 = 16,299.92/x
  3. Step 3: Cross multiply
    45,885.98x = 68,788.20 × 16,299.92
  4. Step 4: Simplify right side
    45,885.98x = 1,121,242,156.94
  5. Step 5: Solve for x
    x = 1,121,242,156.94/45,885.98
  6. Step 6: Final answer
    x = 24,435.40

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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.