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Finding the Fourth Proportional to 16,652.94, 22,981.97 and 9,485.11

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Solution

The fourth proportional to 16,652.94, 22,981.97 and 9,485.11 is: 13,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,652.94 : 22,981.97 = 9,485.11 : x
  2. Step 2: Convert to fraction form
    16,652.94/22,981.97 = 9,485.11/x
  3. Step 3: Cross multiply
    16,652.94x = 22,981.97 × 9,485.11
  4. Step 4: Simplify right side
    16,652.94x = 217,986,411.17
  5. Step 5: Solve for x
    x = 217,986,411.17/16,652.94
  6. Step 6: Final answer
    x = 13,089.96

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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.