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Finding the Fourth Proportional to 9,485.57, 13,090.08 and 5,293.82

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Solution

The fourth proportional to 9,485.57, 13,090.08 and 5,293.82 is: 7,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,485.57 : 13,090.08 = 5,293.82 : x
  2. Step 2: Convert to fraction form
    9,485.57/13,090.08 = 5,293.82/x
  3. Step 3: Cross multiply
    9,485.57x = 13,090.08 × 5,293.82
  4. Step 4: Simplify right side
    9,485.57x = 69,296,560.03
  5. Step 5: Solve for x
    x = 69,296,560.03/9,485.57
  6. Step 6: Final answer
    x = 7,305.47

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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.