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Finding the Fourth Proportional to 6,917.52, 9,549.03 and 5,238.93

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Solution

The fourth proportional to 6,917.52, 9,549.03 and 5,238.93 is: 7,231.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.52 : 9,549.03 = 5,238.93 : x
  2. Step 2: Convert to fraction form
    6,917.52/9,549.03 = 5,238.93/x
  3. Step 3: Cross multiply
    6,917.52x = 9,549.03 × 5,238.93
  4. Step 4: Simplify right side
    6,917.52x = 50,026,699.74
  5. Step 5: Solve for x
    x = 50,026,699.74/6,917.52
  6. Step 6: Final answer
    x = 7,231.88

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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.