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Finding the Fourth Proportional to 8,603.20, 13,050.62 and 8,603.20

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Solution

The fourth proportional to 8,603.20, 13,050.62 and 8,603.20 is: 13,050.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.20 : 13,050.62 = 8,603.20 : x
  2. Step 2: Convert to fraction form
    8,603.20/13,050.62 = 8,603.20/x
  3. Step 3: Cross multiply
    8,603.20x = 13,050.62 × 8,603.20
  4. Step 4: Simplify right side
    8,603.20x = 112,277,093.98
  5. Step 5: Solve for x
    x = 112,277,093.98/8,603.20
  6. Step 6: Final answer
    x = 13,050.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.