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Finding the Fourth Proportional to 16,572.96, 24,981.12 and 16,339.68

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Solution

The fourth proportional to 16,572.96, 24,981.12 and 16,339.68 is: 24,629.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,572.96 : 24,981.12 = 16,339.68 : x
  2. Step 2: Convert to fraction form
    16,572.96/24,981.12 = 16,339.68/x
  3. Step 3: Cross multiply
    16,572.96x = 24,981.12 × 16,339.68
  4. Step 4: Simplify right side
    16,572.96x = 408,183,506.84
  5. Step 5: Solve for x
    x = 408,183,506.84/16,572.96
  6. Step 6: Final answer
    x = 24,629.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.