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Finding the Fourth Proportional to 8,759.68, 13,118.15 and 4,603.16

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Solution

The fourth proportional to 8,759.68, 13,118.15 and 4,603.16 is: 6,893.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.68 : 13,118.15 = 4,603.16 : x
  2. Step 2: Convert to fraction form
    8,759.68/13,118.15 = 4,603.16/x
  3. Step 3: Cross multiply
    8,759.68x = 13,118.15 × 4,603.16
  4. Step 4: Simplify right side
    8,759.68x = 60,384,987.66
  5. Step 5: Solve for x
    x = 60,384,987.66/8,759.68
  6. Step 6: Final answer
    x = 6,893.52

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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.