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Finding the Fourth Proportional to 16,534.81, 22,818.27 and 8,981.16

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Solution

The fourth proportional to 16,534.81, 22,818.27 and 8,981.16 is: 12,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,534.81 : 22,818.27 = 8,981.16 : x
  2. Step 2: Convert to fraction form
    16,534.81/22,818.27 = 8,981.16/x
  3. Step 3: Cross multiply
    16,534.81x = 22,818.27 × 8,981.16
  4. Step 4: Simplify right side
    16,534.81x = 204,934,533.79
  5. Step 5: Solve for x
    x = 204,934,533.79/16,534.81
  6. Step 6: Final answer
    x = 12,394.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.