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Finding the Fourth Proportional to 16,851.91, 25,244.03 and 8,392.93

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Solution

The fourth proportional to 16,851.91, 25,244.03 and 8,392.93 is: 12,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851.91 : 25,244.03 = 8,392.93 : x
  2. Step 2: Convert to fraction form
    16,851.91/25,244.03 = 8,392.93/x
  3. Step 3: Cross multiply
    16,851.91x = 25,244.03 × 8,392.93
  4. Step 4: Simplify right side
    16,851.91x = 211,871,376.71
  5. Step 5: Solve for x
    x = 211,871,376.71/16,851.91
  6. Step 6: Final answer
    x = 12,572.54

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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.