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Finding the Fourth Proportional to 16,616.86, 24,931.94 and 6,756.92

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Solution

The fourth proportional to 16,616.86, 24,931.94 and 6,756.92 is: 10,138.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,616.86 : 24,931.94 = 6,756.92 : x
  2. Step 2: Convert to fraction form
    16,616.86/24,931.94 = 6,756.92/x
  3. Step 3: Cross multiply
    16,616.86x = 24,931.94 × 6,756.92
  4. Step 4: Simplify right side
    16,616.86x = 168,463,124.02
  5. Step 5: Solve for x
    x = 168,463,124.02/16,616.86
  6. Step 6: Final answer
    x = 10,138.08

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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.