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Finding the Fourth Proportional to 7,804.82, 11,699.12 and 4,995.64

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Solution

The fourth proportional to 7,804.82, 11,699.12 and 4,995.64 is: 7,488.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,804.82 : 11,699.12 = 4,995.64 : x
  2. Step 2: Convert to fraction form
    7,804.82/11,699.12 = 4,995.64/x
  3. Step 3: Cross multiply
    7,804.82x = 11,699.12 × 4,995.64
  4. Step 4: Simplify right side
    7,804.82x = 58,444,591.84
  5. Step 5: Solve for x
    x = 58,444,591.84/7,804.82
  6. Step 6: Final answer
    x = 7,488.27

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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.