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Finding the Fourth Proportional to 6,558.40, 9,062.10 and 5,242.96

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Solution

The fourth proportional to 6,558.40, 9,062.10 and 5,242.96 is: 7,244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,558.40 : 9,062.10 = 5,242.96 : x
  2. Step 2: Convert to fraction form
    6,558.40/9,062.10 = 5,242.96/x
  3. Step 3: Cross multiply
    6,558.40x = 9,062.10 × 5,242.96
  4. Step 4: Simplify right side
    6,558.40x = 47,512,227.82
  5. Step 5: Solve for x
    x = 47,512,227.82/6,558.40
  6. Step 6: Final answer
    x = 7,244.48

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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.