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Finding the Fourth Proportional to 8,926.59, 13,380.59 and 2,999.07

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Solution

The fourth proportional to 8,926.59, 13,380.59 and 2,999.07 is: 4,495.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.59 : 13,380.59 = 2,999.07 : x
  2. Step 2: Convert to fraction form
    8,926.59/13,380.59 = 2,999.07/x
  3. Step 3: Cross multiply
    8,926.59x = 13,380.59 × 2,999.07
  4. Step 4: Simplify right side
    8,926.59x = 40,129,326.05
  5. Step 5: Solve for x
    x = 40,129,326.05/8,926.59
  6. Step 6: Final answer
    x = 4,495.48

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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.