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Finding the Fourth Proportional to 7,605.36, 11,403.36 and 4,094.64

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Solution

The fourth proportional to 7,605.36, 11,403.36 and 4,094.64 is: 6,139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.36 : 11,403.36 = 4,094.64 : x
  2. Step 2: Convert to fraction form
    7,605.36/11,403.36 = 4,094.64/x
  3. Step 3: Cross multiply
    7,605.36x = 11,403.36 × 4,094.64
  4. Step 4: Simplify right side
    7,605.36x = 46,692,653.99
  5. Step 5: Solve for x
    x = 46,692,653.99/7,605.36
  6. Step 6: Final answer
    x = 6,139.44

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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.