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Finding the Fourth Proportional to 8,998.58, 13,497.96 and 3,155.33

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Solution

The fourth proportional to 8,998.58, 13,497.96 and 3,155.33 is: 4,733.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.58 : 13,497.96 = 3,155.33 : x
  2. Step 2: Convert to fraction form
    8,998.58/13,497.96 = 3,155.33/x
  3. Step 3: Cross multiply
    8,998.58x = 13,497.96 × 3,155.33
  4. Step 4: Simplify right side
    8,998.58x = 42,590,518.13
  5. Step 5: Solve for x
    x = 42,590,518.13/8,998.58
  6. Step 6: Final answer
    x = 4,733.03

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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.