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Finding the Fourth Proportional to 16,610.16, 22,922.28 and 9,158.16

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Solution

The fourth proportional to 16,610.16, 22,922.28 and 9,158.16 is: 12,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,610.16 : 22,922.28 = 9,158.16 : x
  2. Step 2: Convert to fraction form
    16,610.16/22,922.28 = 9,158.16/x
  3. Step 3: Cross multiply
    16,610.16x = 22,922.28 × 9,158.16
  4. Step 4: Simplify right side
    16,610.16x = 209,925,907.80
  5. Step 5: Solve for x
    x = 209,925,907.80/16,610.16
  6. Step 6: Final answer
    x = 12,638.40

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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.