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Finding the Fourth Proportional to 16,653.95, 22,982.05 and 9,100.30

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Solution

The fourth proportional to 16,653.95, 22,982.05 and 9,100.30 is: 12,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,653.95 : 22,982.05 = 9,100.30 : x
  2. Step 2: Convert to fraction form
    16,653.95/22,982.05 = 9,100.30/x
  3. Step 3: Cross multiply
    16,653.95x = 22,982.05 × 9,100.30
  4. Step 4: Simplify right side
    16,653.95x = 209,143,549.62
  5. Step 5: Solve for x
    x = 209,143,549.62/16,653.95
  6. Step 6: Final answer
    x = 12,558.19

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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.