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Finding the Fourth Proportional to 7,054.41, 9,732.87 and 4,069.86

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Solution

The fourth proportional to 7,054.41, 9,732.87 and 4,069.86 is: 5,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.41 : 9,732.87 = 4,069.86 : x
  2. Step 2: Convert to fraction form
    7,054.41/9,732.87 = 4,069.86/x
  3. Step 3: Cross multiply
    7,054.41x = 9,732.87 × 4,069.86
  4. Step 4: Simplify right side
    7,054.41x = 39,611,418.30
  5. Step 5: Solve for x
    x = 39,611,418.30/7,054.41
  6. Step 6: Final answer
    x = 5,615.13

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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.