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Finding the Fourth Proportional to 17,602.56, 26,403.90 and 4,454.93

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Solution

The fourth proportional to 17,602.56, 26,403.90 and 4,454.93 is: 6,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,602.56 : 26,403.90 = 4,454.93 : x
  2. Step 2: Convert to fraction form
    17,602.56/26,403.90 = 4,454.93/x
  3. Step 3: Cross multiply
    17,602.56x = 26,403.90 × 4,454.93
  4. Step 4: Simplify right side
    17,602.56x = 117,627,371.93
  5. Step 5: Solve for x
    x = 117,627,371.93/17,602.56
  6. Step 6: Final answer
    x = 6,682.40

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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.