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Finding the Fourth Proportional to 17,798.56, 26,705.52 and 7,412.64

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Solution

The fourth proportional to 17,798.56, 26,705.52 and 7,412.64 is: 11,122.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,798.56 : 26,705.52 = 7,412.64 : x
  2. Step 2: Convert to fraction form
    17,798.56/26,705.52 = 7,412.64/x
  3. Step 3: Cross multiply
    17,798.56x = 26,705.52 × 7,412.64
  4. Step 4: Simplify right side
    17,798.56x = 197,958,405.77
  5. Step 5: Solve for x
    x = 197,958,405.77/17,798.56
  6. Step 6: Final answer
    x = 11,122.16

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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.