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Finding the Fourth Proportional to 8,699.75, 13,050.65 and 6,522.32

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Solution

The fourth proportional to 8,699.75, 13,050.65 and 6,522.32 is: 9,784.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.75 : 13,050.65 = 6,522.32 : x
  2. Step 2: Convert to fraction form
    8,699.75/13,050.65 = 6,522.32/x
  3. Step 3: Cross multiply
    8,699.75x = 13,050.65 × 6,522.32
  4. Step 4: Simplify right side
    8,699.75x = 85,120,466.58
  5. Step 5: Solve for x
    x = 85,120,466.58/8,699.75
  6. Step 6: Final answer
    x = 9,784.25

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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.