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Finding the Fourth Proportional to 6,590.90, 9,886.38 and 5,352.44

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Solution

The fourth proportional to 6,590.90, 9,886.38 and 5,352.44 is: 8,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590.90 : 9,886.38 = 5,352.44 : x
  2. Step 2: Convert to fraction form
    6,590.90/9,886.38 = 5,352.44/x
  3. Step 3: Cross multiply
    6,590.90x = 9,886.38 × 5,352.44
  4. Step 4: Simplify right side
    6,590.90x = 52,916,255.77
  5. Step 5: Solve for x
    x = 52,916,255.77/6,590.90
  6. Step 6: Final answer
    x = 8,028.68

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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.