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Finding the Fourth Proportional to 6,726.42, 10,095.12 and 4,878.42

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Solution

The fourth proportional to 6,726.42, 10,095.12 and 4,878.42 is: 7,321.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,726.42 : 10,095.12 = 4,878.42 : x
  2. Step 2: Convert to fraction form
    6,726.42/10,095.12 = 4,878.42/x
  3. Step 3: Cross multiply
    6,726.42x = 10,095.12 × 4,878.42
  4. Step 4: Simplify right side
    6,726.42x = 49,248,235.31
  5. Step 5: Solve for x
    x = 49,248,235.31/6,726.42
  6. Step 6: Final answer
    x = 7,321.61

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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.