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Finding the Fourth Proportional to 6,348.60, 9,559.17 and 5,959.80

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Solution

The fourth proportional to 6,348.60, 9,559.17 and 5,959.80 is: 8,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,348.60 : 9,559.17 = 5,959.80 : x
  2. Step 2: Convert to fraction form
    6,348.60/9,559.17 = 5,959.80/x
  3. Step 3: Cross multiply
    6,348.60x = 9,559.17 × 5,959.80
  4. Step 4: Simplify right side
    6,348.60x = 56,970,741.37
  5. Step 5: Solve for x
    x = 56,970,741.37/6,348.60
  6. Step 6: Final answer
    x = 8,973.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.