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Finding the Fourth Proportional to 17,603.10, 26,386.88 and 11,033.90

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Solution

The fourth proportional to 17,603.10, 26,386.88 and 11,033.90 is: 16,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,603.10 : 26,386.88 = 11,033.90 : x
  2. Step 2: Convert to fraction form
    17,603.10/26,386.88 = 11,033.90/x
  3. Step 3: Cross multiply
    17,603.10x = 26,386.88 × 11,033.90
  4. Step 4: Simplify right side
    17,603.10x = 291,150,195.23
  5. Step 5: Solve for x
    x = 291,150,195.23/17,603.10
  6. Step 6: Final answer
    x = 16,539.71

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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.