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Finding the Fourth Proportional to 17,563.40, 26,345.10 and 16,699.40

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Solution

The fourth proportional to 17,563.40, 26,345.10 and 16,699.40 is: 25,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,563.40 : 26,345.10 = 16,699.40 : x
  2. Step 2: Convert to fraction form
    17,563.40/26,345.10 = 16,699.40/x
  3. Step 3: Cross multiply
    17,563.40x = 26,345.10 × 16,699.40
  4. Step 4: Simplify right side
    17,563.40x = 439,947,362.94
  5. Step 5: Solve for x
    x = 439,947,362.94/17,563.40
  6. Step 6: Final answer
    x = 25,049.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.