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Finding the Fourth Proportional to 16,697.92, 23,043.08 and 9,624.28

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Solution

The fourth proportional to 16,697.92, 23,043.08 and 9,624.28 is: 13,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,697.92 : 23,043.08 = 9,624.28 : x
  2. Step 2: Convert to fraction form
    16,697.92/23,043.08 = 9,624.28/x
  3. Step 3: Cross multiply
    16,697.92x = 23,043.08 × 9,624.28
  4. Step 4: Simplify right side
    16,697.92x = 221,773,053.98
  5. Step 5: Solve for x
    x = 221,773,053.98/16,697.92
  6. Step 6: Final answer
    x = 13,281.48

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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.