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Finding the Fourth Proportional to 16,597.56, 22,904.70 and 9,145.56

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Solution

The fourth proportional to 16,597.56, 22,904.70 and 9,145.56 is: 12,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,597.56 : 22,904.70 = 9,145.56 : x
  2. Step 2: Convert to fraction form
    16,597.56/22,904.70 = 9,145.56/x
  3. Step 3: Cross multiply
    16,597.56x = 22,904.70 × 9,145.56
  4. Step 4: Simplify right side
    16,597.56x = 209,476,308.13
  5. Step 5: Solve for x
    x = 209,476,308.13/16,597.56
  6. Step 6: Final answer
    x = 12,620.91

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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.