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Finding the Fourth Proportional to 16,617.99, 22,935.78 and 9,907.50

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Solution

The fourth proportional to 16,617.99, 22,935.78 and 9,907.50 is: 13,674.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,617.99 : 22,935.78 = 9,907.50 : x
  2. Step 2: Convert to fraction form
    16,617.99/22,935.78 = 9,907.50/x
  3. Step 3: Cross multiply
    16,617.99x = 22,935.78 × 9,907.50
  4. Step 4: Simplify right side
    16,617.99x = 227,236,240.35
  5. Step 5: Solve for x
    x = 227,236,240.35/16,617.99
  6. Step 6: Final answer
    x = 13,674.11

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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.