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Finding the Fourth Proportional to 16,326.45, 24,489.45 and 4,639.68

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Solution

The fourth proportional to 16,326.45, 24,489.45 and 4,639.68 is: 6,959.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,326.45 : 24,489.45 = 4,639.68 : x
  2. Step 2: Convert to fraction form
    16,326.45/24,489.45 = 4,639.68/x
  3. Step 3: Cross multiply
    16,326.45x = 24,489.45 × 4,639.68
  4. Step 4: Simplify right side
    16,326.45x = 113,623,211.38
  5. Step 5: Solve for x
    x = 113,623,211.38/16,326.45
  6. Step 6: Final answer
    x = 6,959.46

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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.