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Finding the Fourth Proportional to 17,602.90, 26,404.35 and 7,222.10

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Solution

The fourth proportional to 17,602.90, 26,404.35 and 7,222.10 is: 10,833.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,602.90 : 26,404.35 = 7,222.10 : x
  2. Step 2: Convert to fraction form
    17,602.90/26,404.35 = 7,222.10/x
  3. Step 3: Cross multiply
    17,602.90x = 26,404.35 × 7,222.10
  4. Step 4: Simplify right side
    17,602.90x = 190,694,856.14
  5. Step 5: Solve for x
    x = 190,694,856.14/17,602.90
  6. Step 6: Final answer
    x = 10,833.15

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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.