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Finding the Fourth Proportional to 7,293.02, 10,939.90 and 3,548.24

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Solution

The fourth proportional to 7,293.02, 10,939.90 and 3,548.24 is: 5,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,293.02 : 10,939.90 = 3,548.24 : x
  2. Step 2: Convert to fraction form
    7,293.02/10,939.90 = 3,548.24/x
  3. Step 3: Cross multiply
    7,293.02x = 10,939.90 × 3,548.24
  4. Step 4: Simplify right side
    7,293.02x = 38,817,346.82
  5. Step 5: Solve for x
    x = 38,817,346.82/7,293.02
  6. Step 6: Final answer
    x = 5,322.54

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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.