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Finding the Fourth Proportional to 8,986.48, 13,482.16 and 5,093.62

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Solution

The fourth proportional to 8,986.48, 13,482.16 and 5,093.62 is: 7,641.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.48 : 13,482.16 = 5,093.62 : x
  2. Step 2: Convert to fraction form
    8,986.48/13,482.16 = 5,093.62/x
  3. Step 3: Cross multiply
    8,986.48x = 13,482.16 × 5,093.62
  4. Step 4: Simplify right side
    8,986.48x = 68,672,999.82
  5. Step 5: Solve for x
    x = 68,672,999.82/8,986.48
  6. Step 6: Final answer
    x = 7,641.81

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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.