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Finding the Fourth Proportional to 17,663.58, 26,486.01 and 15,667.74

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Solution

The fourth proportional to 17,663.58, 26,486.01 and 15,667.74 is: 23,493.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,663.58 : 26,486.01 = 15,667.74 : x
  2. Step 2: Convert to fraction form
    17,663.58/26,486.01 = 15,667.74/x
  3. Step 3: Cross multiply
    17,663.58x = 26,486.01 × 15,667.74
  4. Step 4: Simplify right side
    17,663.58x = 414,975,918.32
  5. Step 5: Solve for x
    x = 414,975,918.32/17,663.58
  6. Step 6: Final answer
    x = 23,493.31

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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.