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Finding the Fourth Proportional to 9,598.60, 13,245.86 and 5,349.64

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Solution

The fourth proportional to 9,598.60, 13,245.86 and 5,349.64 is: 7,382.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,598.60 : 13,245.86 = 5,349.64 : x
  2. Step 2: Convert to fraction form
    9,598.60/13,245.86 = 5,349.64/x
  3. Step 3: Cross multiply
    9,598.60x = 13,245.86 × 5,349.64
  4. Step 4: Simplify right side
    9,598.60x = 70,860,562.75
  5. Step 5: Solve for x
    x = 70,860,562.75/9,598.60
  6. Step 6: Final answer
    x = 7,382.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.