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Finding the Fourth Proportional to 16,486.10, 24,732.18 and 5,393.40

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Solution

The fourth proportional to 16,486.10, 24,732.18 and 5,393.40 is: 8,091.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,486.10 : 24,732.18 = 5,393.40 : x
  2. Step 2: Convert to fraction form
    16,486.10/24,732.18 = 5,393.40/x
  3. Step 3: Cross multiply
    16,486.10x = 24,732.18 × 5,393.40
  4. Step 4: Simplify right side
    16,486.10x = 133,390,539.61
  5. Step 5: Solve for x
    x = 133,390,539.61/16,486.10
  6. Step 6: Final answer
    x = 8,091.09

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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.