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Finding the Fourth Proportional to 8,999.64, 13,495.50 and 4,069.08

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Solution

The fourth proportional to 8,999.64, 13,495.50 and 4,069.08 is: 6,101.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.64 : 13,495.50 = 4,069.08 : x
  2. Step 2: Convert to fraction form
    8,999.64/13,495.50 = 4,069.08/x
  3. Step 3: Cross multiply
    8,999.64x = 13,495.50 × 4,069.08
  4. Step 4: Simplify right side
    8,999.64x = 54,914,269.14
  5. Step 5: Solve for x
    x = 54,914,269.14/8,999.64
  6. Step 6: Final answer
    x = 6,101.83

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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.