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Finding the Fourth Proportional to 9,958.32, 13,740.28 and 5,764.14

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Solution

The fourth proportional to 9,958.32, 13,740.28 and 5,764.14 is: 7,953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,958.32 : 13,740.28 = 5,764.14 : x
  2. Step 2: Convert to fraction form
    9,958.32/13,740.28 = 5,764.14/x
  3. Step 3: Cross multiply
    9,958.32x = 13,740.28 × 5,764.14
  4. Step 4: Simplify right side
    9,958.32x = 79,200,897.56
  5. Step 5: Solve for x
    x = 79,200,897.56/9,958.32
  6. Step 6: Final answer
    x = 7,953.24

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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.